late 14c., "to make (something) less compact or dense," from Old French relaschier "set free; soften; reduce" (14c.), from Latin relaxare "relax, loosen, open, stretch out, widen again; make loose," from re- "back" (see re-) + laxare "loosen," from laxus "loose" (see lax). Of persons, "to become less formal," from 1837. Meaning "decrease tension" is from early 15c.; intransitive sense of "to become less tense" is recorded from 1935. Related: Relaxed; relaxing.
例文
1. Massage is used to relax muscles,relieve stress and improve the circulation.
マッサージは筋肉をリラックスさせ、ストレスを緩和し、血液循環を促進することができます。
2.How much can the President relax his grip over the nation?
大統領は国の統制をどの程度緩めることができるのか。
3. Relax as much as possible and keep breathing steadily.
できるだけリラックスして、穏やかな呼吸を維持します。
4.There 'll be ample opportunity to relax ,swim and soak up some sun.
はリラックス、水泳、日光浴に十分な機会があります。
5. Relax ,smile;loosen up in mind and body and behaviour.