Word.ws English Dictionary

know inside and out

know inside and out verb: to know (something or someone) very thoroughly.

Verb

know inside and out (third-person singular simple present knows inside and out, present participle knowing inside and out, simple past knew inside and out, past participle known inside and out)

  1. (idiomatic, transitive) To know (something or someone) very thoroughly.
    • He's still new to their system, but he knows databases inside and out and will understand the rest soon.

know inside and out meaning in Bengali

know inside and out in Bengali

খুব পুঙ্খানুপুঙ্খভাবে জানা

Synonyms of know inside and out

Forms of know inside and out

third-person singular presentknows inside and out
present participleknowing inside and out
pastknew inside and out
past participleknown inside and out

Questions about know inside and out

What does know inside and out mean?
Know inside and out means to know (something or someone) very thoroughly.
What is know inside and out in Bengali?
Know inside and out in Bengali is খুব পুঙ্খানুপুঙ্খভাবে জানা. See Know inside and out meaning in Bengali.
What part of speech is know inside and out?
Know inside and out is a verb.
What is the past tense of know inside and out?
The past tense of know inside and out is knew inside and out.

Words near know inside and out in the dictionary

  1. know full well
  2. know how many beans make five
  3. know how to pick 'em
  4. know how to walk before one can run
  5. know if one is Arthur or Martha
  6. know inside and out
  7. know inside out
  8. know like a book
  9. know like the back of one's hand
  10. know like the palm of one's hand
  11. know no bounds

Source and license

Adapted from Wiktionary: know inside and out (page history and authors); know inside and out (Bengali Wiktionary) (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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Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-know inside and out.ogg.

Cite this entry: “know inside and out.” Word.ws, https://word.ws/know_inside_and_out. Based on Wiktionary, CC BY-SA 4.0.