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relieve

verb with object
1. cause (pain, distress, or difficulty) to become less severe or serious:
〈苦痛・心配・問題など〉を取り除く, 和らげる
e.g. the drug was used to promote sleep and to relieve pain.
cause (someone) to stop feeling distressed or anxious about something:
(苦痛・心配などを取り除いて)〈人〉を安心させる, ほっとさせる (!be ~dのような分詞形容詞用法については→ relieved)
e.g. he was relieved by her change of tone.
2. release (someone) from duty by taking their place:
⦅かたく⦆ ; 〖be ~d of A〗 〈人が〉A〈職務・地位など〉を解任される, 解かれる(⦅よりくだけて⦆ fire)
e.g. another signalman relieved him at 5:30.
(敵から)〈町など〉を解放する; 〈場所〉から敵を追い払う
e.g. he dispatched an expedition to relieve the city.
〘野球〙 〈投手〉をリリーフする
3. (relieve someone of) take (a burden) from someone:
⦅かたく⦆ ; 〖~ A of B〗 A〈人〉からB〈荷物など〉を取り除く
e.g. he relieved her of her baggage.
free someone from (a tiresome responsibility):
A〈人〉をB〈やっかいな事など〉から解放する, 楽にさせる
e.g. she relieved me of the household chores.
used euphemistically to indicate that someone has been deprived of something:
⦅おどけて⦆ ; 〖~ A of B〗 A〈人〉からB〈金品〉を盗む.
e.g. he was relieved of his world title.
4. make less tedious or monotonous by the introduction of variety or of something striking or pleasing:
〈退屈など〉を紛らわす
e.g. the bird's body is black, relieved only by white under the tail.
5. (relieve oneself) urinate or defecate (used euphemistically):
⦅やや古⦆ 小便をする; 排便する
e.g. train your dog to relieve itself where you want it to.
6. archaic make (something) stand out:
〈物〉を目立たせる, 際立たせる, 引き立たせる.
e.g. the twilight relieving in purple masses the foliage of the island.

DERIVATIVES
relievable |rəˈlēvəb(ə)l| adjective

ORIGIN
Middle English: from Old French relever, from Latin relevare, from re- (expressing intensive force) + levareraise’ (from levislight’).