cap up
C1 informal separable transitive
In simple words
To put a lid or cap on something, or to change text to uppercase letters.
Literal meaning: To put a cap (cover) up or on something.
Meanings
1 C1 informal
(Typography/design) To convert text to capital or uppercase letters.
"The designer capped up the headline to make it stand out on the poster."
Grammar: separable
2 C1 neutral
To seal or cover something with a cap or lid.
"Make sure you cap up the bottle properly before storing it."
Grammar: separable
Usage notes
The typographic sense is used in design, printing, and digital text editing. The literal 'put a cap on' sense is straightforward but relatively uncommon as a phrasal verb. Niche usage overall.
Commonly used with
headline text bottle letter title word
Forms
Base
cap up
I/you/we/they
3rd person
caps up
he/she/it
Past simple
caped up
yesterday
Past participle
caped up
have + pp
-ing form
caping up
continuous
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