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Synonyms

sincere

American  
[sin-seer] / sɪnˈsɪər /

adjective

sincerer, sincerest
  1. free of deceit, hypocrisy, or falseness; earnest.

    a sincere apology.

    Synonyms:
    unaffected, guileless, open, honest, candid, frank
    Antonyms:
    false
  2. genuine; real.

    a sincere effort to improve; a sincere friend.

    Antonyms:
    false
  3. pure; unmixed; unadulterated.

  4. Obsolete. sound; unimpaired.


sincere British  
/ sɪnˈsɛrɪtɪ, sɪnˈsɪə /

adjective

  1. not hypocritical or deceitful; open; genuine

    a sincere person

    sincere regret

  2. archaic pure; unadulterated; unmixed

  3. obsolete sound; whole

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

See earnest 1.

Other Word Forms

  • quasi-sincere adjective
  • quasi-sincerely adverb
  • sincerely adverb
  • sincereness noun
  • sincerity noun

Etymology

Origin of sincere

First recorded in 1525–35; from Latin sincērus “pure, clean, untainted”

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“They’re authentic to their background, sincere according to their world view… and vulnerable.”

From Los Angeles Times

I don’t know what this means, but it seems sincere.

From Literature

She looked so sincere and caring I almost wanted to almost believe her.

From Literature

Douglas Alexander said there had been a "sincere and genuine disagreement" between the pair but insisted they were focused on May's Holyrood election.

From BBC

I believe Ms. Castaneda, an ultrasound technician at a southern California hospital, is sincere in trying to give superior healthcare to our state.

From The Wall Street Journal