IPA: /ˈtwɪɡləs/
KK: /ˈtwɪɡləs/
Describing something that does not have any small branches or twigs.
The tree looked strange and twigless after the storm.
Twigless → It is formed from "twig" (from Old English "twig", meaning a small branch or shoot) and "-less" (meaning without). The word "twigless" means without twigs or small branches.
Think of being 'without' ('-less') small branches ('twig') — that's what twigless means.