IPA: /ˈsɛnsləsnəs/
KK: /ˈsɛnsləsnəs/
The condition of lacking meaning or purpose; being foolish or irrational.
The senselessness of the violence shocked everyone in the community.
Senselessness → It is formed from "sense" (from Latin "sensus", meaning perception or feeling) and the suffix "-less" (meaning without) and "-ness" (meaning the state of). The word "senselessness" refers to the state of being without perception or feeling.
Think of being 'without' ('-less') 'perception' ('sensus') — that's why senselessness means lacking feeling or awareness.