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no-cap

/ˌnoʊ ˈkæp/
Slang
adverb

Used to say that something is completely true and you are not lying or exaggerating. It works like saying 'I'm serious' or 'I'm not joking.'

  • That concert was the best night of my life, no-cap.
  • No-cap, she solved the problem in under two minutes.
  • He's genuinely talented — no-cap, the best I've seen.
interjection

Said on its own, or at the start of a statement, to stress that you mean every word sincerely. Often added for extra emphasis when something sounds hard to believe.

  • No-cap, I would do it all over again.
  • The food there is incredible. No-cap.

Adinary Nuance

Traditional dictionaries gloss "no-cap" simply as "no lie," but modern usage carries a stronger flavor — it signals raw, unfiltered honesty about something that might genuinely surprise the listener. While "for real" or "seriously" are mild emphasis markers, "no-cap" often implies the speaker knows the statement sounds almost too good or too extreme to believe, and is preemptively defending its truth. It also carries a distinct generational stamp: using it signals fluency in Gen-Z and hip-hop internet culture, which is part of its social appeal. In formal or professional settings it lands awkwardly — stick to "honestly" or "I genuinely believe" if the context calls for it.

In other languages

Vietnamese
không nói dối
Spanish
en serio
Chinese
真的
Japanese
本当に
Korean
진짜

Etymology

From AAVE (African American Vernacular English), where "cap" means to lie, boast, or exaggerate — possibly dating to early 20th-century African American slang. The negated form "no cap" surged into mainstream English through hip-hop music and social media platforms in the mid-2010s.

Common phrases

no-cap thoughstraight up, no-capon god, no-capno-cap fr

Synonyms

Related words

Frequently asked questions

What does 'cap' mean on its own in slang?
On its own, 'cap' means a lie or an exaggeration. If someone says 'that's cap,' they mean 'that's a lie.' The verb 'capping' means lying. So 'no-cap' literally means 'no lying.'
Is 'no-cap' formal or informal?
It is very informal — casual Gen-Z and hip-hop slang. Use it with friends, in social media posts, or in casual chats. Avoid it in emails, essays, job applications, or any professional context.
Can I put 'no-cap' at the beginning and the end of a sentence?
Yes, both work. 'No-cap, that was incredible' and 'That was incredible, no-cap' are both natural. Placing it at the end often feels like a mic-drop addition, while placing it at the start sets the honest tone right away.
Is 'no-cap' the same as 'no kidding'?
'No kidding' and 'no-cap' both mean you're being serious, but 'no-cap' is much newer and carries a distinctly youthful, internet-culture tone. 'No kidding' is older and more neutral in register — usable across generations without sounding odd.