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Rule "missing hyphen in 'all time high'"

This is one of many errors that LanguageTool can detect.

Description: missing hyphen in 'all time high'
Message: When <suggestion>\1-\2</suggestion> is used as a modifier, it is usually spelled with a hyphen.
Category: Grammar (ID: GRAMMAR)
Link: https://languagetool.org/insights/post/hyphen/#compound-adjectives-with-hyphens
Incorrect sentences
that this rule can detect:
  • He is the best all time goalscorer.
    Correction suggestion: all-time
Correct sentences
for comparison:
  • He is the best of all time.
  • Please update all time sheet records.
  • Because Antarctica surrounds the South Pole, it is theoretically located in all time zones.
ID: ALL_TIME_HYPHEN [2]
Version: 6.8-SNAPSHOT (2025-10-24 22:33:07 +0200)