Definition for In operation:

• being in effect or operation; " de facto apartheid is still operational even in the ` new' African nations"- Leslie Marmon Silko; " bus service is in operation during the emergency"; " the company had several operating divisions"

Synonyms for In operation:

• adj.

  •all (adjective)
  • in operation,
  • operational,
  • operating.
  •effective (adjective)
  • direct,
  • in effect,
  • in execution,
  • current,
  • actual,
  • dynamic,
  • active,
  • in force,
  • real.
  •operative (adjective)
  • indicative,
  • live,
  • employable,
  • accessible,
  • relevant,
  • significant,
  • key,
  • alive,
  • open,
  • serviceable,
  • usable,
  • standing,
  • crucial,
  • practicable,
  • important,
  • efficient,
  • workable.
  •practical (adjective)
  • hard-boiled,
  • down-to-earth,
  • sober,
  • sane,
  • solid,
  • businesslike,
  • sound,
  • unromantic,
  • commonsensical,
  • virtual,
  • rational,
  • applied,
  • matter-of-fact,
  • experimental,
  • empirical,
  • constructive,
  • nuts and bolts,
  • utilitarian,
  • possible,
  • reasonable,
  • pragmatic,
  • feasible,
  • orderly,
  • sensible,
  • systematic,
  • handy,
  • implicit,
  • factual.
  •running (adjective)
  • incessant,
  • together,
  • cursive,
  • moving,
  • perpetual,
  • fluent,
  • easy,
  • unceasing,
  • constant,
  • executing,
  • smooth,
  • unbroken,
  • uninterrupted,
  • effortless,
  • in succession,
  • Producing.

• n.

  •in force (noun)
  • force.

• Other synonyms:

  •in force
  • enforced.
  •Other relevant words:
  • in play,
  • in progress,
  • happening,
  • in the works,
  • going on,
  • ongoing,
  • afoot,
  • being done,
  • progress,
  • in service,
  • working,
  • functional,
  • functioning,
  • proceeding,
  • inaction,
  • into operation,
  • at work,
  • in practice,
  • true,
  • Occurring,
  • basic,
  • efficacious,
  • in hand,
  • going,
  • essential,
  • in process,
  • in commission,
  • acting,
  • taking place,
  • on foot,
  • in use,
  • running,
  • under way.

Antonyms for In operation:

• adj.

  • effective
    incapable, inoperative, weak, inactive, impotent, ineffective, fruitless, unproductive, useless.
  • operative
    ineffectual, worthless, unfunctional, passive, unworking.
  • practical
    unlikely, inefficient, inexperienced, unskilled, impossible, excited, unworkable, unserviceable, unseasoned, unproficient, irrational, unfeasible, untrained, unsound, unattainable, unrealistic, unreasonable, impractical.
  • running
    discontinuous, intermittent, immobile, occasional, apathetic, broken, unexciting.