1. Not placed under psychological stress
   "the campaign would not leave party loyalties unstrained" 
2. Not resulting from undue effort; not forced
   "his playing is facile and unstrained"
   - unforced

1. Cause to feel relaxed
   - relax, unlax, loosen up, unwind, make relaxed

See also: effortless, relaxed

Type of: affect

Antonym: strain

• plague pneumonia
• plague spot
• plaguey
• plaguily
• plaguy
• plaice
• plaid
• plain
• plain chocolate
• plain clothes
• plain flour
• plain sailing
• plain stitch
• plain turkey
• plain wanderer
• plain weave
• plain-woven
• plainchant
• plainclothesman
• plainly
• plainness
• Plains Indian
• plains lemon monarda
• plains pocket gopher
• plains pocket mouse