assure

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assure

  • /əˈʃɔː(ɹ)/ UK
  • /əˈʃʊə(ɹ)/ UK
  • /əˈʃʊɹ/ US
  • /əˈʃɝ/ US

Sounds like ashore (with the pour–poor merger) · Rhymes with -ʊə(ɹ)

Where it comes from

From Old French asseurer (Modern French assurer), from Latin ad- + securus (“secure”). Cognate with Spanish asegurar. Doublet of assecure.

verb assures · assuring · assured

  1. transitive To make sure and secure; ensure.
  2. transitive To give (someone) confidence in the trustworthiness of (something). I assure you that the program will work smoothly when we demonstrate it to the client.
  3. obsolete To guarantee, promise (to do something). That as a law for euer should endure; / Which to obserue in word of knights they did assure.
  4. transitive To reassure.

Thesaurus

Closest in meaning: ensure, reassure, promise, guarantee, ascertain, see, control, secure, tell, insure, check, swear, allow, guaranteed, pledge, affirm

Translations

Every language

verb to make sure and secure

Españolasegurar, afianzar, segurar
Portuguêsassegurar
Deutschsichern
Italianoassicurare
Românăasigura
Русскийобеспе́чивать obespéčivatʹ, обеспе́чить obespéčitʹ

verb to give someone confidence in the trustworthiness of something

Españolasegurar, avalar, afiar, cerciorar
Portuguêsassegurar, garantir
Françaisassurer
Deutschversichern
Italianoassicurare, garantire
Ελληνικάδιαβεβαιώνω diavevaióno
Românăasigura
Русскийзаверя́ть zaverjátʹ, заве́рить zavéritʹ, уверя́ть uverjátʹ, уве́рить uvéritʹ, убежда́ть ubeždátʹ, убеди́ть ubedítʹ
العربيةأَكَّدَ ʔakkada

verb to reassure

Españolasegurar
Françaisrassurer
Русскийобнадёживать obnadjóživatʹ, обнадёжить obnadjóžitʹ

Talk about this word

Cite this
MLA

"assure." Wiktionary, via Micwyn, micwyn.com/word/assure. Accessed 6 Nov. 2026.

APA

assure. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/assure

Chicago

"assure." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/assure.

BibTeX
@misc{assure_2026,
  title = {assure},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/assure},
  urldate = {2026-11-06}
}