English · Phrasal verb Attested

be on at

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

Meaning · English

To complain to (someone).

Where it’s used: Used American English

They've been on at us about cleaning the backroom for months.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

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

Common questions

What does “be on at” mean?

To complain to (someone).

Is “be on at” formal or informal?

be on at is generally informal.

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