IPA: /ˈθrɛd.ləs/
KK: /ˈθrɛd.ləs/
Not having any threads or seams; often used to describe items that do not require threading for assembly or connection.
The new design is threadless, making it easier to assemble without any complicated steps.
Threadless → It is formed from "thread" (from Old English *þræd*, meaning a long, thin strand) and "-less" (meaning without). The word "threadless" means without a thread or lacking a thread.
Think of something that is 'without' ('-less') a 'strand' ('thread') — that's why threadless means lacking a thread.