Synonyms for Call it a day:

• n.

  •give in (noun)
  • give.

• v.

  •carry out action (verb)
  • complete.
  •cease (verb)
  • finish,
  • drop,
  • fail,
  • die,
  • break off,
  • bring to an end,
  • give over,
  • quit cold turkey,
  • back off,
  • knock off,
  • come to an end,
  • terminate,
  • cut it out,
  • close out,
  • refrain,
  • wind up,
  • stay,
  • culminate,
  • intermit,
  • leave off,
  • pack in,
  • shut down,
  • call it quits,
  • surcease.
  •close (verb)
  • wind down,
  • cut loose,
  • clinch,
  • shutter,
  • clear,
  • wrap up,
  • sew up,
  • call off,
  • consummate,
  • ultimate,
  • pack it in,
  • fold up,
  • drop the curtain,
  • cap,
  • determine,
  • button up,
  • fold,
  • button down,
  • put to bed,
  • put a lid on,
  • DO.
  •complete (verb)
  • equip,
  • crown,
  • bring to maturity,
  • settle,
  • achieve,
  • do thoroughly,
  • develop,
  • carry off,
  • make up,
  • elaborate,
  • round off,
  • round out,
  • fill,
  • perform,
  • refine,
  • furnish,
  • bring to fruition,
  • make good,
  • fulfill,
  • actualize,
  • realize,
  • go the limit,
  • go through with,
  • effect,
  • get through,
  • perfect,
  • execute,
  • effectuate,
  • accomplish,
  • go whole hog,
  • finalize,
  • discharge,
  • supplement.
  •conclude (verb)
  • cinch.
  •end (verb)
  • relinquish,
  • postpone,
  • pull the plug,
  • interrupt,
  • expire,
  • abolish,
  • break up,
  • switch off,
  • abort,
  • perorate,
  • dispose of,
  • resolve,
  • dissolve,
  • delay,
  • get done,
  • wrap,
  • cut short.
  •halt (verb)
  • deter,
  • obstruct,
  • punctuate,
  • rest,
  • arrest,
  • hold back,
  • pause,
  • block,
  • draw up,
  • impede,
  • hamper,
  • wait,
  • curb,
  • stall,
  • bar,
  • balk,
  • stem,
  • adjourn,
  • suspend,
  • frustrate,
  • pull up,
  • check.
  •quit (verb)
  • resign,
  • leave,
  • abandon,
  • secede,
  • withdraw,
  • retire.
  •stative (verb)
  • call it a day.
  •stop (verb)
  • cold turkey,
  • hold,
  • stand,
  • break,
  • put an end to,
  • cut out,
  • scrub,
  • blow off,
  • sign off,
  • tarry,
  • run its course,
  • be over,
  • come to a standstill,
  • kill.

• Other synonyms:

  •
  • desist.
  •cease
  • call a day,
  • Intermitted,
  • packed in,
  • giving over,
  • bring to end,
  • calls it quits,
  • Intermitting,
  • packs in.
  •close
  • buttoned up,
  • shuttered,
  • shuttering,
  • ultimates,
  • sewed up,
  • winding down,
  • Ultimating,
  • put lid on,
  • Ultimated.
  •complete
  • bringing to fruition,
  • makes up,
  • rounded out,
  • making good,
  • carried off,
  • got through,
  • made good,
  • rounding out.
  •end
  • switched off,
  • pulling the plug,
  • switching off.
  •stop
  • put end to,
  • come to standstill,
  • ran its course.
  •Other relevant words:
  • close up,
  • swear off,
  • finish up,
  • remit,
  • clean up.

Antonyms for Call it a day:

• v.

  • cease
    complete, DO, go, keep on, carry on, persevere, open, bear, commence, start, begin, create, restart, continue, initiate.
  • close
    unplug, disjoin, Unstop, Unclose, release, unseal, disunite, not finish.
  • complete
    give up, abandon, stop, ignore, fail, leave, unsettle, introduce, ruin, miss, forget, lose, neglect.
  • conclude
    preface.
  • end
    give birth, advance, keep.
  • halt
    promote, let go, permit, further, forward, aid, urge, stimulate, allow, help, encourage, push, forge, carry out, speak smoothly, support, assist.
  • quit
    come, remain, pursue, stay, rise, finish, join.

Hyponym for Call it a day:

• v.

  • stative
    give up, discontinue, cease, quit, stop, lay off.