operation

作用,働き;動かすこと,操作,運営

operation の類語

action, activity, running, commission, management, function, behavior, manipulation, surgery, agency, idle, workings, working, doing, performance, job, effort, transaction, functioning, feat, tour de force, undertaking, works, act, work, thing, business, production, go, move, hand, step, use, practice, project, role, section, office, turn, play, plan, deal, program, movement, effective, direction, purpose, operations, mission, attempt, acting, exercise, task, measure, blow, employment, operational, activeness, adventure, surgical operation

operation の反意語

inactivity, run, inaction

例文

• My father is going to undergo an operation.
  父は手術を受ける事になっている。
• My father is going to have an operation.
  父は手術を受ける事になっている。
• I was keyed up over her impending operation.
  私は彼女の間近に近付いた手術のことで緊張していた。

関連語

operate, operative

operation の言い換えを探すには

operation（作用）の類語・言い換え（パラフレーズ）を、日本語訳つきで関連度順に並べています。英作文の語彙を増やしたいとき、長文読解で本文と選択肢の言い換えを見抜きたいときに使えます。