off-key

[ awf-kee, of- ]
See synonyms for off-key on Thesaurus.com
adjective
  1. deviating from the correct tone or pitch; out of tune.

  2. Informal. somewhat irregular, abnormal, or incongruous.

Origin of off-key

1
First recorded in 1925–30

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for off key

off key

adjective, adverb(off-key when prenominal)
  1. music

    • not in the correct key

    • out of tune

  2. out of keeping; discordant

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012