Definition of on at
1 : asking (someone) for something repeatedly and in a way that is annoying She is always on at him for money.
2 : asking or telling (someone) to do something repeatedly and in a way that is annoying Mummy's always on at me about cleaning up my room!
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors
- On Contractions of Multiple Words
- A Look at Uncommon Onomatopoeia
- Is Singular 'They' a Better Choice?