- Aggravation - Annoyance - Bother - Irritation - Pest - Thing causing annoyance - That which annoys or gives trouble and vexation; that
which is offensive or noxious.
- Annoying - Annoying when Russian money is stashed in heavy book - Bother a few who are annoying - Bothersome - Causing annoyance - Difficult - Mischief-making
- Cattle list said to cause change - Cause of change - Change-causing agent - Manipulating agent - Reaction agent - Reaction agents - Substance which produces chemical reaction without undergoing any permanent change