spec up

C1 neutral both transitive

In simple words

to make something better by adding stronger or higher-quality features

Literal meaning: to move something up in specification level

Meanings

1 C1 idiomatic neutral

uncommon

to improve a product, machine, or building by giving it higher specifications

"They specced up the base model with a faster processor and more memory."

Grammar: both

Usage notes

Used mainly in technical, automotive, and property contexts, especially in British English. Often refers to higher-end options or performance.

car engine house computer model equipment

Base

spec up

I/you/we/they

3rd person

specs up

he/she/it

Past simple

speced up

yesterday

Past participle

speced up

have + pp

-ing form

specing up

continuous

Try:

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upgrade improve enhance beef up fit out equip better

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