tightly wound
- tenseStrained or nervous
- coiledArranged in spirals
- springRecoiling metal spiral
- anxiousTroubled by uncertainty
- stressedOverwhelmed by pressure
rigid · uptight · high-strung · nervous · clock · wound · spiral · strung · compressed · pressure · snapping · brittle · clenched · overwound · mainspring · restless · edgy · keyed-up