IPA: /ˈluːsən/
KK: /ˈlusən/
To become less tight or more relaxed.
The knot began to loosen after I pulled on the rope.
Past: loosened
Past Participle: loosened
To make something less tight or to remove restrictions or pressure from it.
She decided to loosen the straps on her backpack for more comfort.
Past: loosened
Past Participle: loosened
Loosen → It is formed from "loose" (from Old English *losian*, meaning to become free or unbound) and "-en" (a suffix used to form verbs). The word "loosen" means to make something free or unbound.
Think of making something 'free' or 'unbound' — 'loose' means not tight, and adding '-en' turns it into the action of making it loose.