IPA: /ˈtɛnʃənləs/
KK: /ˈtɛnʃənləs/
Describing something that does not have any tension or stress.
The fabric was tensionless, allowing it to flow freely without any tightness.
Tensionless → It is formed from "tension" (from Latin "tensio", meaning stretching) and "-less" (meaning without). The word "tensionless" means without tension or stress.
Think of being 'without' ('-less') any 'stretching' ('tensio') — that's what tensionless means.