1 C1 slang
Non-standard variant of 'knife up': to stab or attack someone with a knife.
"He was reportedly knived up outside the venue, though police could not confirm the details."
separable
knive up
C1 slang separable transitive/intransitive
Non-standard/rare variant of 'knife up'; to attack with a knife or to arm oneself with knives.
In plain English
To stab someone or get ready to fight with a knife.
What does "knive up" mean?
One main meaning — here's how to use it.
Usage tip
Non-standard spelling. 'Knive' is not a recognised verb in standard dictionaries; this form likely arises by analogy ('knife → knive' as 'life → live'). Treat as an error or extreme slang. Prefer 'knife up' in all contexts.
Words that pair with "knive up"
Natural word combinations native speakers use most often.
gang fight street rival
How to conjugate "knive up"
The five tense forms you'll use most often.
Base
knive up
I/you/we/they
3rd person
knives up
he/she/it
Past simple
knived up
yesterday
Past participle
knived up
have + pp
-ing form
kniving up
continuous
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