1. (adjective) tending to relax or relieve muscular or nervous tension

• depressant

1. (noun) a drug that relaxes and relieves tension

• drug

1. (noun) a drug that relaxes and relieves tension

• muscle relaxant

1. (noun) a drug that relaxes and relieves tension

• loosen up
• make relaxed
• relax
• unlax
• unstrain
• unwind

2. (adjective) tending to relax or relieve muscular or nervous tension

• decompress
• loosen up
• relax
• slow down
• unbend
• unwind
• loosen up
• make relaxed
• relax
• unlax
• unstrain
• unwind