His disingenuous apology fooled nobody after his betrayal.
Synonyms for disingenuous
deceitful
insincere
dishonest
Antonyms for disingenuous
honest
sincere
genuine
Practice disingenuous on real SAT questions
Vocabulary like disingenuous appears on the Digital SAT in Words-in-Context questions, where you choose the word that fits a passage's meaning and tone. You can also drill this word with vocabulary flashcards.