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CROWD, THRONG, HORDE, CRUSH, MOB mean an assembled multitude.

CROWD implies a close gathering and pressing together.

e.g. a crowd gathered

THRONG and HORDE suggest movement and pushing.

e.g. a throng of reporters

e.g. a horde of shoppers

CRUSH emphasizes the compactness of the group, the difficulty of individual movement, and the attendant discomfort.

e.g. a crush of fans

MOB implies a disorderly crowd with the potential for violence.

e.g. an angry mob

verb with object

1. deform, pulverize, or force inwards by compressing forcefully:

〈人･物などが〉〈物〉を押しつぶす; 〈石など〉を粉砕する(up); 〖～ A into ［to］ B〗 A〈物･人など〉を押しつぶして［砕いて］B〈ある状態〉にする

e.g. you can crush a pill between two spoons

e.g. he was crushed to death by a subway train

e.g. (as adjective crushed) : the crushed remains of a Ford Bronco.

crease or crumple (cloth or paper):

〈物〉をくしゃくしゃにする

e.g. (as adjective crushed) : crushed trousers and a crumpled jacket.

2. (of a government or state) violently subdue (opposition or a rebellion):

〈抵抗勢力･敵軍など〉を鎮圧する, 粉砕する, 壊滅させる

e.g. the government had taken elaborate precautions to crush any resistance.

3. bring about a feeling of overwhelming disappointment or embarrassment in (someone):

〈希望など〉をなくさせる; …を打ち砕く

e.g. (as adjective crushing) : the news came as a crushing blow

e.g. his defeat crushed a lot of left-wing supporters.

4. (crush on) US informal have a brief but intense infatuation for (someone):

｟米･くだけて｠ 〈人〉に夢中になる

e.g. the girl I had been crushing on sat next to me.

1. usually in singular a crowd of people pressed closely together, especially in an enclosed space:

〖単数形で〗雑踏, 混雑, 群衆; 殺到

e.g. a number of youngsters fainted in the crush.

2. informal a brief but intense infatuation for someone, especially someone unattainable or inappropriate:

｟くだけて｠ べたぼれ, 夢中, 片思い

e.g. she did have a crush on Dr. Russell.

a person with whom someone is infatuated:

ほれこんだ相手

e.g. it turns out she thought you were flirting with her crush.

3. a drink made from the juice of pressed fruit:

果汁

e.g. lemon crush.

crushable adjective

crusher |ˈkrəSHər| noun

crushingly |ˈkrəSHiNGlē| adverb

Middle English: from Old French cruissir, ‘gnash (teeth) or crack’, of unknown origin.