English · Phrasal verb Attested

thin up

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

To become or make (something) thin (in either width or viscosity).

Where it’s used: Used American English

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “thin up” mean?

To become or make (something) thin (in either width or viscosity).

Is “thin up” formal or informal?

thin up is generally informal.

👁 Views 0 today 0 past 7 days 0 this month 0 all time