Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. insincere

from the GNU version of the Collaborative International Dictionary of English

  • adj. Not sincere or pure; insincere.

from The Century Dictionary and Cyclopedia

  • Not genuine; adulterated. Mixed; alloyed, as a feeling. Insincere.

Etymologies

un- +‎ sincere (Wiktionary)

Examples

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