dishonest

UK: /dɪsˈɒnɪst/ US: /dɪsˈɑnɪst/ ,(dis on′ist)

WordReference Random House Learner's Dictionary of American English © 2026

dis•hon•est /dɪsˈɑnɪst/   adj. 

1. not honest;
   untrustworthy:
   I wouldn't do business with such dishonest car dealers.
2. showing lack of honesty:
   That commercial had a lot of dishonest claims.

dis•hon•est•ly, adv.: 

He got most of his money dishonestly.

WordReference Random House Unabridged Dictionary of American English © 2026

dis•hon•est  (dis on′ist), adj. 

1. not honest;
   disposed to lie, cheat, or steal;
   not worthy of trust or belief:
   a dishonest person.
2. proceeding from or exhibiting lack of honesty;
   fraudulent:
   a dishonest advertisement.

• Anglo-French, Old French deshoneste, equivalent. to des- dis-¹ + honeste honest
• Middle English dishoneste 1350–1400

dis•hon′est•ly, adv. 
Synonyms

• 1. unscrupulous, knavish, deceitful, perfidious. See corrupt. 
• 2. false.

Antonyms

• 1, 2. honest.

Collins Concise English Dictionary © HarperCollins Publishers::

dishonest / dɪsˈɒnɪst/ adjective

1. not honest or fair; deceiving or fraudulent

disˈhonestly adverb