sincere

sin·cere
S1I1N1C3E1R1E1
UK/sɪnˈsɪə(ɹ)/US/sɪnˈsɪɹ/

adjective

Genuine, honest, and free from pretense or deceit; heartfelt.

“She gave it a sincere if misguided effort.”

Opposite
Less commonScrabble 9

Meanings

sincere1

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

comparative more sincere · comparative sincerer · superlative most sincere · superlative sincerest

  1. Genuine, honest, and free from pretense or deceit; heartfelt.

    I believe he is sincere in his offer to help.

    3 more examples

    Tumid blustering, with more or less of sincerity, which need not be entirely sincere, yet the sincerer the better, is like to go far.

    1837, Thomas Carlyle, chapter III, in The French Revolution: A History […], volume II (The Constitution), London: Chapman and Hall, →OCLC, book I (The Feast of Pikes), page 19

    My sincerest apologies to Brother Ron Smith in the December ish.

    1967 June, Drake Maynard, If, volume 17, number 6, page 160

    If you choose to pull the trigger, should your drama prove sincere Do it somewhere far away from here

    2003, “The Outsider”, performed by A Perfect Circle

    Synonyms: earnest · Antonyms: insincere

  2. Meant truly or earnestly.

    She gave it a sincere if misguided effort.

    1 more example

    The message that through sincere teshuvah and resolution, light and gladness can be achieved by all, is most fitting for the opening of the Yom Kippur service.

    1996, Macy Nulman, The Encyclopedia of Jewish Prayer, page 161

    Synonyms: devout

  3. archaicClean; pure.

Sincere2

proper noun

alternative Cincere

  1. A male given name.

Synonyms & antonyms

adjectiveGenuine, honest, and free from pretense or deceit; heartfelt.

Similar
Opposite

adjectiveMeant truly or earnestly.

Similar

More synonyms by meaning

adjectiveopen and genuine; not deceitful

Opposite

adjectivecharacterized by a firm and humorless belief in the validity of your opinions

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*sem-“together”
  2. Latinsincerus“genuine”
  3. Middle Frenchsincere
  4. Englishsincere

From Middle French sincere, from Latin sincerus (“genuine”), from Proto-Indo-European *sem- (“together”) (whence English sam) + *ḱer- (“grow”) (whence Latin Ceres, the goddess of harvest, etymon of cereal). Not from sine (“without”) + cera (“wax”), which is a folk etymology; see Wikipedia page.

Full word history & related roots →

Translations

Ancient Greek εἰλικρινής
  • εἰλικρινής (eilikrinḗs)earnest
Arabic مُخْلِص
  • مُخْلِص (muḵliṣ)earnest
Basque zintzo
  • zintzoearnest
Bulgarian и́скрен
  • и́скрен (ískren)earnest
Catalan sincer
  • sincerearnest
Chinese Mandarin 虔诚, 真誠 /真诚
  • 虔诚 (qiánchéng)earnest
  • 真誠 /真诚 (zhēnchéng)earnest
Czech upřímný
  • upřímnýearnest
Danish oprigtig
  • oprigtigearnest
Dutch oprecht
  • oprechtearnest
Esperanto sincera
  • sinceraearnest
Estonian siiras
  • siirasearnest
Finnish vilpitön
  • vilpitönearnest
French sincère
  • sincèreearnest
German aufrichtig
  • aufrichtigearnest
Greek ειλικρινής
  • ειλικρινής (eilikrinís)earnest
Hebrew כֵּן, כֵּנֶה
  • כֵּן (ken)earnest
  • כֵּנֶה (kené)earnest
Hindi ईमानदार, सच्चा
  • ईमानदार (īmāndār)earnest
  • सच्चा (saccā)earnest
Hungarian őszinte
  • őszinteearnest
Icelandic einlægur
  • einlægurearnest
Indonesian ikhlas, tulus hati
  • ikhlasearnest
  • tulus hatiearnest
  • bersih hatiearnest
Irish dílis, cneasta
  • dílisearnest
  • cneastaearnest
Italian sincero, fervido
  • sinceroearnest
  • fervidoearnest
  • zelanteearnest
  • assiduoearnest
Japanese 誠実な
  • 誠実な (seijitsu na)earnest
Korean 진실하다
  • 진실하다 (jinsilhada)earnest
Latin sincērus
  • sincērusearnest
Latvian patiess
  • patiessearnest
Lithuanian nuoširdus
  • nuoširdusearnest
Malay ikhlas
  • ikhlasearnest
Māori tinihangakore, motuhenga
  • tinihangakoreearnest
  • motuhengaearnest
  • ngākau ponoearnest
Norwegian Bokmål oppriktig
  • oppriktigearnest
Persian صادق, صمیمی
  • صادق (sâdeq)earnest
  • صمیمی (samimi)earnest
Polish szczery
  • szczeryearnest
Portuguese sincero
  • sinceroearnest
Romanian sincer
  • sincerearnest
Russian и́скренний
  • и́скренний (ískrennij)earnest
Slovak úprimný
  • úprimnýearnest
Spanish sincero
  • sinceroearnest
Swedish uppriktig
  • uppriktigearnest
Thai จริงใจ
  • จริงใจ (jing-jai)earnest
Turkish samimi, içten
  • samimiearnest
  • içtenearnest
  • yürektenearnest
  • kalptenearnest
Ukrainian щи́рий
  • щи́рий (ščýryj)earnest
Vietnamese thành thật, thật thà
  • thành thậtearnest
  • thật thàearnest
  • ngay thậtearnest
  • chân thànhearnest
  • thành khẩnearnest
Welsh diffuant
  • diffuantearnest

Rhymes & wordplay

Rhymes with sincere

All rhymes →

Anagrams

Cite this entry
APA

sincere. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/sincere

MLA

“sincere.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sincere. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “sincere,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/sincere.

Source: sincere on Wiktionary, CC BY-SA 4.0.