let know

verb

To inform (someone) (of something).

“Let me know when you are arriving.”

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

verblet know (third-person singular simple present lets know, present participle letting know, simple past and past participle let know)

present singular third person lets know · participle present letting know

  1. ditransitiveTo inform (someone) (of something).

    Let me know when you are arriving.

    4 more examples

    I sent an email to let John know what we found.

    "I'm not sure which flight I'll be taking." / "Well, as soon as you find out, let me know."

    If anyone has seen him, let us know of his whereabouts.

    On the day that decision was made, Virgin adverts appeared at St Pancras to let everyone (including its rival) know that things are going to change.

    2026 February 4, Gareth Williams speaks to David Stubbings, “The RAIL Interview”, in RAIL, number 1054, page 32

Synonyms & antonyms

Also see
adviseapprisediscussinform

Translations

Catalan informar, assabentar
  • informarinform
  • assabentarinform
Chinese Mandarin 告知, 通知
  • 告知 (gàozhī)inform
  • 通知 (tōngzhī)inform
  • 告訴 /告诉 (gàosu)inform
Czech dát vědět
  • dát vědětinform
Danish informere, lade vide
  • informereinform
  • lade videinform
Dutch laten weten
  • laten weteninform
Finnish ilmoittaa, kertoa
  • ilmoittaainform
  • kertoainform
French faire savoir, dire
  • faire savoirinform
  • direinform
German bekannt geben
  • bekannt gebeninform
Hungarian szól, értesít
  • szólinform
  • értesítinform
  • tudatinform
  • közölinform
  • megmondinform
  • elmondinform
Icelandic að láta einhvern vita
  • að láta einhvern vitainform
Norwegian gi beskjed
  • gi beskjedinform
Polish dawać znać, dać znać
  • dawać znaćinform
  • dać znaćinform
Portuguese avisar, informar
  • avisarinform
  • informarinform
Russian дать знать, информировать
  • дать знать (datʹ znatʹ)inform
  • информировать (informirovatʹ)inform
  • уведомлять (uvedomljatʹ)inform
Spanish hacer/dejar saber, avisar
  • hacer/dejar saberinform
  • avisarinform
  • pasar la vozinform
Swahili fahamisha, julisha
  • fahamishainform
  • julishainform
Swedish informera, låta veta
  • informerainform
  • låta vetainform
Turkish haber vermek
  • haber vermekinform
Ukrainian повідомити, повідомляти
  • повідомити (povidomyty)inform
  • повідомляти (povidomljaty)inform
  • сповістити (spovistyty)inform
  • сповіщати (spoviščaty)inform
  • поінформувати (poinformuvaty)inform
  • інформувати (informuvaty)inform
Cite this entry
APA

let know. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/let%20know

MLA

“let know.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/let%20know. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “let know,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/let%20know.

Source: let know on Wiktionary, CC BY-SA 4.0.