Word.ws English Dictionary

sincerest

sincerest is the superlative form of sincere.

Meaning of sincere

Adjective

sincere (comparative more sincere or sincerer, superlative most sincere or sincerest)

  1. Genuine, honest, and free from pretense or deceit; heartfelt.
    • I believe he is sincere in his offer to help.
    Synonyms:
    earnest
    Antonyms:
    insincere
  2. Meant truly or earnestly.
    • She gave it a sincere if misguided effort.
    Synonyms:
    devout
  3. (archaic) Clean; pure.

See all 4 meanings of sincere

Phrases with sincerest

Questions about sincerest

What is sincerest the superlative form of?
Sincerest is the superlative form of sincere.

Words near sincerest in the dictionary

  1. since when
  2. sincere
  3. sincerely
  4. sincereness
  5. sincerer
  6. sincerest
  7. sinceriously
  8. sincerities
  9. sincerity
  10. SINCGARS
  11. sinch

Source and license

Adapted from Wiktionary: sincerest (page history and authors); sincere (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “sincerest.” Word.ws, https://word.ws/sincerest. Based on Wiktionary, CC BY-SA 4.0.