Out-of-whack
Usage notes
The hyphenated spelling of out of whack is generally for attributive and prepositive uses (old out-of-whack machines); the unhyphenated spelling occurs more frequently in predicative usage (machines are out of whack).
The hyphenated spelling of out of whack is generally for attributive and prepositive uses (old out-of-whack machines); the unhyphenated spelling occurs more frequently in predicative usage (machines are out of whack).