dude

IPA/duːd/
KK[dˈud]IPA/duːd/

dude — noun

  • dudesingular
  • dudesplural

1. a casual way to refer to a man or to speak directly to someone in a friendly man

1.nounB1
Definition

a casual way to refer to a man or to speak directly to someone in a friendly manner, similar to 'guy' or 'fellow'.

Example

That dude Hyun helped me carry my grocery bags to the car.

reference usage: 'that dude' for a specific person

Hey dude, do you know what time the movie starts tonight?

address usage: 'hey dude' as friendly greeting

Common collocations
  • cool dude
  • tough dude
  • big dude
  • nice dude
Synonyms
  • guy

    equally informal; 'guy' is slightly more neutral and less tied to surfer/skater slang

  • fellow

    slightly more old-fashioned but still common in British English; 'fellow' sounds warmer than 'dude'

  • bloke

    British English equivalent; very common in the UK but not used in American English

Grammar Patterns

a dude (referring to a man)

dude (as direct address)

Usage Note

This is the most common modern use of 'dude'. It is very informal — avoid in professional writing, formal speech, or when referring to someone with respect. As a form of address, it is used mainly between friends and peers in casual situations, most often directed at men but increasingly used toward any gender in relaxed settings.

Common Mistakes

That dude over there is the CEO of the company.
That man over there is the CEO of the company.
'Dude' is too informal for professional or respectful references.
She is a cool dude.
She is a cool person.
Although 'dude' can sometimes be used for any gender in very casual speech, it primarily refers to men and may sound odd or forced for a woman.

2. a man who pays an excessive amount of attention to his clothes and refined manne

2.nounC1
Definition

a man who pays an excessive amount of attention to his clothes and refined manners, to the point of appearing vain or affected.

Example

In Victorian novels, the well-dressed dude was often the target of gentle mockery.

dated sense: dude as dandy figure in historical context

Élise's grandfather still talks about the local dudes who wore silk top hats every Sunday.

Common collocations
  • well-dressed dude
  • fussy dude
  • dude in …
Synonyms
  • dandy

    the closest synonym; 'dandy' is more widely recognized for this meaning and slightly more neutral in tone

  • fop

    more negative than 'dude'; implies foolishness and vanity in dress

Antonyms
  • slob

    someone who is careless about their appearance — the opposite extreme

Usage Note

This sense is now very rare in everyday speech. Modern readers will encounter it mostly in historical novels, period films, or writing about 19th-century fashion. Do not use this meaning in casual conversation — listeners will understand only the modern 'man/guy' sense.

Common Mistakes

He is a cool dude wearing a vintage suit.' (intending style praise)
He is a dandy wearing a vintage suit.
The dated sense of 'dude' implies excessive fussiness or vanity, not stylishness.
My friend is a dude who loves fashion.' (ambiguous)
My friend is a fashion-focused guy.
Without context, readers will assume the modern 'man' sense, not the dated dandy meaning.

dude — verb

Word family

  • duded up
    adjectiveC1
  • dudish
    adjectiveC2

Synonym discussion

Sense: noun/1

All four words refer informally to a man, but they differ in regional flavour and subtle tone. 'Dude' is strongly associated with American English, especially West Coast and surfer/skater slang; it can also serve as a direct address ('Hey, dude!'). 'Guy' is the most neutral and widely understood across dialects — it functions easily in both American and British contexts. 'Fellow' feels slightly older or more literary, with a warm or affectionate undertone. 'Bloke' is the quintessential British term for an ordinary man, while 'chap' is a more upper-middle-class British variant. In practice: 'I met a guy at work' is neutral anywhere; 'He's a nice bloke' sounds distinctly British; and 'That dude over there' places the speaker as American and informal.

guy ↗fellow ↗blokechap ↗

Common collocations

Phrases

  • dude up
  • all duded up

Etymology

English (American slang)

First appeared in American English around the 1880s, probably from the earlier word 'doodle' meaning a foolish or simple person. In the late 19th century, 'dude' referred to a city-dweller who was overly concerned with fashionable dress — a dandy. By the mid-20th century, the term broadened in slang use to simply mean 'a man' or 'a guy', and later became a casual greeting among friends.