know what is what

verb

To understand the current situation; to know what is going on.

“Everything is changing so fast... I just don't know what's what anymore!”

Meanings

verbknow what is what (third-person singular simple present knows what is what, present participle knowing what is what, simple past knew what was what, past participle known what was what)

present singular third person knows what is what · participle present knowing what is what · past knew what was what · participle past known what was what · alternative know what's what

  1. idiomaticTo understand the current situation; to know what is going on.

    Everything is changing so fast... I just don't know what's what anymore!

    2 more examples

    He seems to have no trouble understanding stuff that, to me, sounds like hot garbage. He really does know what's what.

    She said she was going to house to study French, but I wasn't born yesterday. I know what's what.

    Synonyms: know what's o'clock

Synonyms & antonyms

verbTo understand the current situation; to know what is going on.

Translations

Dutch weten hoe laat het is
  • weten hoe laat het isTranslations
Finnish tietää mikä on mitäkin
  • tietää mikä on mitäkinTranslations
Italian sapere il fatto proprio
  • sapere il fatto proprioTranslations
Polish wiedzieć, co jest pięć
  • wiedzieć, co jest pięćTranslations
Cite this entry
APA

know what is what. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/know%20what%20is%20what

MLA

“know what is what.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/know%20what%20is%20what. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “know what is what,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/know%20what%20is%20what.

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