wise

wise — adjective

1. Able to make smart and reasonable decisions because you have learned from past e

1.adjectiveB1
Definition

Able to make smart and reasonable decisions because you have learned from past experience and understand people and situations well.

Example

Sofie decided it was wise to save part of her salary each month for emergencies.

pattern: it is wise to + infinitive

The village elders gave wise advice about resolving conflicts without fighting.

Common collocations
  • wise decision
  • wise choice
  • wise advice
  • wise move
  • wise counsel
  • wise to do something
Synonyms
  • sensible

    More about practical, level-headed decisions; less about deep life experience

  • prudent

    More formal; emphasizes caution and careful planning ahead

  • judicious

    More formal; stresses the use of good judgment in specific decisions

  • sagacious

    More literary; implies deep, almost instinctive understanding

Antonyms
  • foolish

    Lacking good judgment; acting without thinking

  • unwise

    Direct opposite; not showing good judgment

Grammar Patterns

it is wise to + infinitive

it is wise (that) + clause

wise + noun

Usage Note

Often used in the impersonal construction 'it is wise to / that…' giving general advice. Subject can be a person (a wise leader) or an action/decision (a wise move).

Common Mistakes

He is wise of investing early.
It is wise to invest early.
'wise' is not followed by 'of + gerund'; use the 'it is wise to + infinitive' pattern.
She is wise in the test.
She made a wise decision during the test.
'wise' describes judgment or decisions, not a person's inherent state in a specific situation.

2. Knowing about a dishonest situation, a secret plan, or someone's hidden intentio

2.adjectiveB2
Definition

Knowing about a dishonest situation, a secret plan, or someone's hidden intentions, often because you have experienced similar things before.

Example

Owen was wise to the mechanic's trick of charging for parts he never replaced.

pattern: be wise to + noun phrase

The employees soon got wise to the supervisor's habit of taking credit for their work.

pattern: get wise to + noun phrase

Common collocations
  • be wise to
  • get wise to
  • wise to the fact that
  • wise to someone's tricks
Synonyms
  • savvy

    More informal; implies practical know-how and street smarts

  • knowing

    Suggests a subtle, often nonverbal awareness

Antonyms
  • naive

    Lacking experience or awareness of dishonest behavior

Grammar Patterns

be wise to + noun phrase / gerund

get wise to + noun phrase

Usage Note

Almost always used with 'to' ('be wise to someone/something'). Not used before a noun (*a wise person to scams). Often negative — you are wise to something bad or secret, not to something ordinary.

Common Mistakes

I am wise to read his emails.
I am wise to his habit of hiding information in emails.
'wise to' must be followed by a noun phrase referring to a secret or dishonest situation, not an infinitive of purpose.

3. Speaking or behaving in a rude, overly confident way that shows a lack of respec

3.adjectiveC1
Definition

Speaking or behaving in a rude, overly confident way that shows a lack of respect, especially when a younger or less senior person addresses an authority figure.

Example

The student got detention for a wise remark when the principal asked him a question.

"Don't get wise with me, young man," the coach said with a stern look.

fixed phrase: don't get wise with me

Common collocations
  • wise remark
  • wise guy
  • wise mouth
  • get wise
  • don't get wise with me
Synonyms
  • impertinent

    More formal; describes behavior that disrespects authority

  • insolent

    Stronger; openly and offensively disrespectful

  • fresh

    Informal, especially American; describes mildly rude or overly bold behavior

Antonyms

Usage Note

Common in fixed phrases like 'don't get wise with me' or 'wise guy' (a person who makes obnoxiously clever remarks). Strongly informal and often confrontational. Almost never used in writing outside dialogue.

Common Mistakes

He is a wise student who answers all questions.' (meaning smart)
He is a wise guy who talks back to the teacher.
'wise' meaning rude is very different from 'wise' meaning intelligent; the context (talking back, authority figure) signals which sense is intended.
Idioms

be none the wiser | not be any the wiser

idiom

To still not understand something, even after someone has explained it.

Mina read the manual twice but was none the wiser.

If you return the book quietly, no one will be any the wiser.

be wise after the event

idiom

To understand what you should have done only after something has happened.

It's easy to be wise after the event, but we didn't know then.

Wasn't he wise after the event when he criticized the plan?

be/get wise to somebody/something

idiom

To become aware that someone is trying to trick you.

The teacher got wise to the students' cheating scheme.

After losing money twice, Sara was wise to the scam.

crack wise

idiom

To make funny comments or jokes.

During the meeting, Diego kept cracking wise about the budget.

Can you crack wise without offending anyone?

put somebody wise (to something)

idiom

To tell someone about something, especially something secret or important.

Aiden put me wise to the hidden costs of the contract.

Who put you wise to the surprise party?

wise — noun

wise — adverb

Word family

Synonym discussion

Sense: adjective/1

All four words describe good decision-making, but they differ in register and emphasis. Sensible is the most everyday word — it focuses on practical, level-headed choices that avoid unnecessary risk (e.g., 'a sensible person wears a seatbelt'). Prudent is more formal and forward-looking; it stresses careful planning and caution to avoid future problems (e.g., 'a prudent investor diversifies their portfolio'). Judicious is more formal still, emphasizing the application of careful judgment to specific situations, often in legal or professional contexts (e.g., 'a judicious use of the budget'). Sagacious is literary and rare; it implies a deep, almost instinctive wisdom gained over a long life (e.g., 'a sagacious leader who foresaw the crisis'). While all four can describe a person or a decision, only wise carries the full weight of life experience and moral depth — a wise person has not just good judgment but also a broad understanding of people and the world. Practical contrast: 'It was sensible to bring an umbrella, prudent to check the weather forecast, judicious to cancel the picnic, and wise to understand why the sky looked threatening.'

sensible ↗prudent ↗judicioussagacious

Common collocations

Nouns

  • wise person
  • wise decision
  • wise choice
  • wise advice
  • wise counsel
  • wise move
  • wise words
  • wise man
  • wise woman

Adverbs

  • wisely
  • very wise
  • quite wise
  • extremely wise
  • politically wise

Phrases

  • wise beyond one's years
  • wise in the ways of the world
  • none the wiser
  • penny wise, pound foolish
  • wise after the event
  • wise up

Prepositions

  • wise of (someone)
  • wise to (something)

Etymology

Proto-Indo-EuropeanProto-GermanicOld EnglishMiddle EnglishEnglish

The word 'wise' comes from Old English wīs, meaning 'learned, sagacious, having good judgment'. It traces back through Proto-Germanic *wīsaz to Proto-Indo-European *weyd- ('to see, to know'), which is also the root of Latin vidēre ('to see'), Greek ideîn ('to see'), Sanskrit veda ('knowledge'), and English 'wit', 'wisdom', and 'vision'. The sense 'knowing about a secret or dishonest situation' (adjective sense 2) developed in the 1800s, while the suffix -wise (as in 'clockwise', 'otherwise') derives from the noun sense 'way, manner', which is now mostly archaic as a standalone noun. The rude/impudent sense (adjective sense 3) emerged in American slang in the early 1900s.