1. past tense and past participle of unwind; loosened or undid something that was wound or coiled
2. past tense and past participle of unwind; relaxed or became less tense

1. relaxed and free from tension or stress

Examples

• She unwound the rope from around the post.
• He unwound the bandage carefully from his injured arm.
• After the long day, she unwound by reading a book.
• The spring had completely unwound in the old clock.
• They unwound with a quiet evening at home.
• The thread unwound from the spool as she sewed.
• He felt completely unwound after his vacation.