Antonyms for



Antonyms of adj sincere

2 senses of sincere

Sense 1:
sincere (vs. insincere)

insincere (vs. sincere)
bootlicking, fawning, obsequious, sycophantic, toadyishbuttery, fulsome, oily, oleaginous, smarmy, soapy, unctuousdissimulativefalsefeignedgilded, meretricious, specioushypocriticalplausible
Sense 2:
earnest, sincere, solemn

INDIRECT (VIA serious) -> frivolous
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