diff --git a/Library/Homebrew/completions.rb b/Library/Homebrew/completions.rb
index 6246c0dd02a5b..7b8a8d3f42aae 100644
--- a/Library/Homebrew/completions.rb
+++ b/Library/Homebrew/completions.rb
@@ -266,10 +266,10 @@ def self.generate_zsh_subcommand_completion(command)
 
     sig { params(command: String, option: String).returns(String) }
     def self.generate_zsh_option_exclusions(command, option)
-      conflicts = Commands.option_conflicts(command, option.gsub(/^--/, ""))
+      conflicts = Commands.option_conflicts(command, option.gsub(/^--?/, ""))
       return "" unless conflicts.presence
 
-      "(#{conflicts.map { |conflict| "--#{conflict}" }.join(" ")})"
+      "(#{conflicts.map { |conflict| "-#{"-" if conflict.size > 1}#{conflict}" }.join(" ")})"
     end
 
     sig { params(commands: T::Array[String]).returns(String) }
diff --git a/completions/zsh/_brew b/completions/zsh/_brew
index f64ed7a899355..198eb1fff37b5 100644
--- a/completions/zsh/_brew
+++ b/completions/zsh/_brew
@@ -961,7 +961,7 @@ _brew_fetch() {
     '(--cask)--formula[Treat all named arguments as formulae]' \
     '*::formula:__brew_formulae' \
     - cask \
-    '(--HEAD --deps --s --build-bottle --force-bottle --bottle-tag --formula)--cask[Treat all named arguments as casks]' \
+    '(--HEAD --deps -s --build-bottle --force-bottle --bottle-tag --formula)--cask[Treat all named arguments as casks]' \
     '*::cask:__brew_casks'
 }
 
@@ -1287,22 +1287,22 @@ _brew_linkage() {
 # brew list
 _brew_list() {
   _arguments \
-    '(--cask --versions --pinned --l --full-name)--built-from-source[List the formulae compiled from source]' \
+    '(--cask --versions --pinned -l --full-name)--built-from-source[List the formulae compiled from source]' \
     '--debug[Display any debugging information]' \
-    '(--versions --pinned --installed-on-request --installed-as-dependency --poured-from-bottle --built-from-source --l --r --t)--full-name[Print formulae with fully-qualified names. Unless `--full-name`, `--versions` or `--pinned` are passed, other options (i.e. `-1`, `-l`, `-r` and `-t`) are passed to `ls`(1) which produces the actual output]' \
+    '(--versions --pinned --installed-on-request --installed-as-dependency --poured-from-bottle --built-from-source -l -r -t)--full-name[Print formulae with fully-qualified names. Unless `--full-name`, `--versions` or `--pinned` are passed, other options (i.e. `-1`, `-l`, `-r` and `-t`) are passed to `ls`(1) which produces the actual output]' \
     '--help[Show this message]' \
-    '(--cask --versions --pinned --l --full-name)--installed-as-dependency[List the formulae installed as dependencies]' \
-    '(--cask --versions --pinned --l --full-name)--installed-on-request[List the formulae installed on request]' \
+    '(--cask --versions --pinned -l --full-name)--installed-as-dependency[List the formulae installed as dependencies]' \
+    '(--cask --versions --pinned -l --full-name)--installed-on-request[List the formulae installed on request]' \
     '(--cask --pinned)--multiple[Only show formulae with multiple versions installed]' \
-    '(--cask --multiple --installed-on-request --installed-as-dependency --poured-from-bottle --built-from-source --1 --l --r --t --full-name)--pinned[List only pinned formulae, or only the specified (pinned) formulae if formula are provided. See also `pin`, `unpin`]' \
-    '(--cask --versions --pinned --l --full-name)--poured-from-bottle[List the formulae installed from a bottle]' \
+    '(--cask --multiple --installed-on-request --installed-as-dependency --poured-from-bottle --built-from-source -1 -l -r -t --full-name)--pinned[List only pinned formulae, or only the specified (pinned) formulae if formula are provided. See also `pin`, `unpin`]' \
+    '(--cask --versions --pinned -l --full-name)--poured-from-bottle[List the formulae installed from a bottle]' \
     '--quiet[Make some output more quiet]' \
     '--verbose[Make some output more verbose]' \
-    '(--installed-on-request --installed-as-dependency --poured-from-bottle --built-from-source --1 --l --r --t --full-name)--versions[Show the version number for installed formulae, or only the specified formulae if formula are provided]' \
-    '-1[Force output to be one entry per line. This is the default when output is not to a terminal]' \
-    '-l[List formulae and/or casks in long format. Has no effect when a formula or cask name is passed as an argument]' \
-    '-r[Reverse the order of the formulae and/or casks sort to list the oldest entries first. Has no effect when a formula or cask name is passed as an argument]' \
-    '-t[Sort formulae and/or casks by time modified, listing most recently modified first. Has no effect when a formula or cask name is passed as an argument]' \
+    '(--installed-on-request --installed-as-dependency --poured-from-bottle --built-from-source -1 -l -r -t --full-name)--versions[Show the version number for installed formulae, or only the specified formulae if formula are provided]' \
+    '(--versions --pinned)-1[Force output to be one entry per line. This is the default when output is not to a terminal]' \
+    '(--installed-on-request --installed-as-dependency --poured-from-bottle --built-from-source --versions --pinned --full-name)-l[List formulae and/or casks in long format. Has no effect when a formula or cask name is passed as an argument]' \
+    '(--versions --pinned --full-name)-r[Reverse the order of the formulae and/or casks sort to list the oldest entries first. Has no effect when a formula or cask name is passed as an argument]' \
+    '(--versions --pinned --full-name)-t[Sort formulae and/or casks by time modified, listing most recently modified first. Has no effect when a formula or cask name is passed as an argument]' \
     - installed_formula \
     '(--cask)--formula[List only formulae, or treat all named arguments as formulae]' \
     '*::installed_formula:__brew_installed_formulae' \
@@ -1354,13 +1354,13 @@ _brew_log() {
   _arguments \
     '--debug[Display any debugging information]' \
     '--help[Show this message]' \
-    '(--1)--max-count[Print only a specified number of commits]' \
+    '(-1)--max-count[Print only a specified number of commits]' \
     '--oneline[Print only one line per commit]' \
     '--patch[Also print patch from commit]' \
     '--quiet[Make some output more quiet]' \
     '--stat[Also print diffstat from commit]' \
     '--verbose[Make some output more verbose]' \
-    '-1[Print only one commit]' \
+    '(--max-count)-1[Print only one commit]' \
     - formula \
     '(--cask)--formula[Treat all named arguments as formulae]' \
     '*::formula:__brew_formulae' \
@@ -1372,22 +1372,22 @@ _brew_log() {
 # brew ls
 _brew_ls() {
   _arguments \
-    '(--cask --versions --pinned --l --full-name)--built-from-source[List the formulae compiled from source]' \
+    '(--cask --versions --pinned -l --full-name)--built-from-source[List the formulae compiled from source]' \
     '--debug[Display any debugging information]' \
-    '(--versions --pinned --installed-on-request --installed-as-dependency --poured-from-bottle --built-from-source --l --r --t)--full-name[Print formulae with fully-qualified names. Unless `--full-name`, `--versions` or `--pinned` are passed, other options (i.e. `-1`, `-l`, `-r` and `-t`) are passed to `ls`(1) which produces the actual output]' \
+    '(--versions --pinned --installed-on-request --installed-as-dependency --poured-from-bottle --built-from-source -l -r -t)--full-name[Print formulae with fully-qualified names. Unless `--full-name`, `--versions` or `--pinned` are passed, other options (i.e. `-1`, `-l`, `-r` and `-t`) are passed to `ls`(1) which produces the actual output]' \
     '--help[Show this message]' \
-    '(--cask --versions --pinned --l --full-name)--installed-as-dependency[List the formulae installed as dependencies]' \
-    '(--cask --versions --pinned --l --full-name)--installed-on-request[List the formulae installed on request]' \
+    '(--cask --versions --pinned -l --full-name)--installed-as-dependency[List the formulae installed as dependencies]' \
+    '(--cask --versions --pinned -l --full-name)--installed-on-request[List the formulae installed on request]' \
     '(--cask --pinned)--multiple[Only show formulae with multiple versions installed]' \
-    '(--cask --multiple --installed-on-request --installed-as-dependency --poured-from-bottle --built-from-source --1 --l --r --t --full-name)--pinned[List only pinned formulae, or only the specified (pinned) formulae if formula are provided. See also `pin`, `unpin`]' \
-    '(--cask --versions --pinned --l --full-name)--poured-from-bottle[List the formulae installed from a bottle]' \
+    '(--cask --multiple --installed-on-request --installed-as-dependency --poured-from-bottle --built-from-source -1 -l -r -t --full-name)--pinned[List only pinned formulae, or only the specified (pinned) formulae if formula are provided. See also `pin`, `unpin`]' \
+    '(--cask --versions --pinned -l --full-name)--poured-from-bottle[List the formulae installed from a bottle]' \
     '--quiet[Make some output more quiet]' \
     '--verbose[Make some output more verbose]' \
-    '(--installed-on-request --installed-as-dependency --poured-from-bottle --built-from-source --1 --l --r --t --full-name)--versions[Show the version number for installed formulae, or only the specified formulae if formula are provided]' \
-    '-1[Force output to be one entry per line. This is the default when output is not to a terminal]' \
-    '-l[List formulae and/or casks in long format. Has no effect when a formula or cask name is passed as an argument]' \
-    '-r[Reverse the order of the formulae and/or casks sort to list the oldest entries first. Has no effect when a formula or cask name is passed as an argument]' \
-    '-t[Sort formulae and/or casks by time modified, listing most recently modified first. Has no effect when a formula or cask name is passed as an argument]' \
+    '(--installed-on-request --installed-as-dependency --poured-from-bottle --built-from-source -1 -l -r -t --full-name)--versions[Show the version number for installed formulae, or only the specified formulae if formula are provided]' \
+    '(--versions --pinned)-1[Force output to be one entry per line. This is the default when output is not to a terminal]' \
+    '(--installed-on-request --installed-as-dependency --poured-from-bottle --built-from-source --versions --pinned --full-name)-l[List formulae and/or casks in long format. Has no effect when a formula or cask name is passed as an argument]' \
+    '(--versions --pinned --full-name)-r[Reverse the order of the formulae and/or casks sort to list the oldest entries first. Has no effect when a formula or cask name is passed as an argument]' \
+    '(--versions --pinned --full-name)-t[Sort formulae and/or casks by time modified, listing most recently modified first. Has no effect when a formula or cask name is passed as an argument]' \
     - installed_formula \
     '(--cask)--formula[List only formulae, or treat all named arguments as formulae]' \
     '*::installed_formula:__brew_installed_formulae' \