DictionaryAI

wise

WYZ/waɪz/

Verbwises, wising, wised

9 meanings of wise

Practice

  1. 1
    good judgmentadjective
    Showing good judgment or the benefit of experience in one's decisions and actions.

    A wise leader listens carefully before making any decision.

    She gave a wise reply that calmed everyone in the room.

    UsageIt is wise to + verb: it was wise to leave early.

    Similarsensible, prudent, sage, judicious, shrewd

    Oppositeimprovident

  2. 2
    adjectivecolloquial
    Aware of or informed about something, especially something that was meant to stay concealed.

    By his third fake sick day, his manager was wise to the excuses and asked for a doctor's note.

    Customers quickly grew wise to the hidden fees on their bills.

    UsageWise to something: she's wise to your tricks; get wise to means become aware of what's really happening.

    Similaraware, alert, informed

    Oppositeunaware, oblivious, ignorant

  3. 3
    verbslangtransitive or intransitive
    To inform someone of the truth, or to come to learn it, usually in the form "wise up".

    It's time to wise up about the risks of this deal.

    She wised up to the scam before losing any money.

    UsageUsually wise up (often with to or about) or wise someone up: he finally wised up; she wised him up.

    Note

    Slang that works in both directions: you can wise someone up, or you can simply wise up, with no change to the verb. In "a coworker wised her up about the overtime rules" the coworker does the informing. In "after that warning, she wised up" the person informed becomes the subject. The verb grows from the "aware" adjective, so wising up means becoming wise to something.

    Checked 3 Nov 2026 · 1 fact

    • The slang verb wise up derives from the adjective wise meaning aware or informed. en.wiktionary.org

Practice

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Origins

Meanings 1–5

From Middle English wis, from Old English wīs ("wise"), from Proto-Germanic *wīsaz, from a Proto-Indo-European noun meaning "knowledge" built on the root *weyd-. It is cognate with Dutch wijs, German weise, Norwegian vis and Swedish vis, and is related to "wit."

Checked 31 Oct 2026 · 6 facts

  • English wise descends through Middle English wis from Old English wīs. en.wiktionary.org
  • Old English wīs meant wise. en.wiktionary.org
  • Old English wīs descends from Proto-Germanic *wīsaz. en.wiktionary.org
  • The current reconstruction derives *wīsaz from PIE *weyd-s-ós, an adjective derived from the s-stem noun *wéydos, ultimately from *weyd-. en.wiktionary.org
  • Wise is cognate with Dutch wijs, German weise, Norwegian vis and Swedish vis. en.wiktionary.org
  • Wise is etymologically related to wit. en.wiktionary.org
Meaning 6

The noun goes back to Proto-Germanic *wīsō, which became Old English wīse and then Middle English wise. English "guise" is a doublet, and the word has relatives in Dutch wijze, German Weise, and both Italian and Spanish guisa.

Checked 1 Nov 2026 · 3 facts

  • The noun descends from Proto-Germanic *wīsō through Old English wīse and Middle English wise. en.wiktionary.org
  • English guise is a doublet of the noun wise. en.wiktionary.org
  • The noun is related to Dutch wijze, German Weise, Italian guisa and Spanish guisa. en.wiktionary.org