Meaning of the word unpremeditated in English

What does unpremeditated mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

unpremeditated

US /ˌʌn.priːˈmed.ɪ.teɪ.t̬ɪd/
UK /ˌʌn.priːˈmed.ɪ.teɪ.tɪd/

Adjective

not thought out or planned beforehand; spontaneous

Example:
His apology was clearly unpremeditated and sincere.
The act was an unpremeditated outburst of emotion.