IPA: /ˌædʒɪˈteɪʃən/
KK: /ˌædʒɪˈteɪʃən/
A state of being very upset or disturbed, often involving strong feelings or emotions. It can also refer to the act of causing excitement or unrest about a particular issue.
The constant agitation in the crowd made it difficult to hear the speaker.
Agitation is formed from "agitare" (meaning to set in motion or stir up) and the suffix "-ion" (indicating the action or process). The word describes the action of stirring up or causing a state of unrest or excitement.
Think of the word 'agitate' meaning to stir up or move something, and remember that 'agitation' refers to the process of causing unrest or excitement.