1) Aggravation 2) Annoyance 3) Chafe 4) Irritation 5) Provocation 6) Vexation 1) Aggravation 2) Displeasure 3) Ire 4) Irritation 5) Resentment 
• (n.) Increase of violence or malignity; aggravation; exacerbation. • (n.) The act of exasperating or the state of being exasperated; irritation; keen or bitter anger.
Ex·as`per·a'tion noun [ Latin exasperatio : confer French exaspération .] 1. The act of exasperating or the state of being exasperated; irritation; keen or bitter anger. « Extorted from him by the exasperation of his spirits.» South. 2. Inc...
[n] - actions that cause great irritation (or even anger)
exasperation 1. Actions which cause great irritation or even anger. 2. An exasperated feeling of annoyance. 3. An act or instance of provocation. 4. The state of being exasperated; irritation; extreme annoyance: 'Her exasperation at being interrupted during the TV discussion was understandable.'
noun actions that cause great irritation (or even anger)
an act or instance of exasperating; provocation. · the state of being exasperated; irritation; extreme annoyance: Her exasperation at being interrupted was understandable.
[Difficult words] a feeling of annoyance actions that cause great irritation[Lexical terms] a feeling of annoyance