Synonyms for Pay back:

• n.

  •
  • compound for,
  • even up,
  • settle an (old) score (with someone),
  • get your own back,
  • get/be even (with someone),
  • respond in kind.
  •pay back (noun)
  • reward.

• v.

  •competition (verb)
  • get,
  • pay off,
  • pay back.
  •fix (verb)
  • get even,
  • punish,
  • hurt.
  •get revenge (verb)
  • pay.
  •make restitution (verb)
  • atone.
  •pay (verb)
  • recompense,
  • avenge oneself,
  • square things,
  • pay one's dues,
  • settle a score,
  • make up for,
  • square.
  •refund (verb)
  • adjust,
  • redeem,
  • remit,
  • relinquish,
  • settle,
  • compensate,
  • balance.
  •repay (verb)
  • accord,
  • rebate,
  • offset,
  • award.
  •retaliate (verb)
  • revive,
  • strike back,
  • turn upon,
  • retrospect,
  • wreak vengeance,
  • take an eye for an eye,
  • turn the tables on,
  • take revenge,
  • exact retribution.
  •return (verb)
  • reinstate,
  • transmit,
  • react,
  • take back,
  • convey,
  • reestablish,
  • send,
  • bestow.
  •revenge (verb)
  • kick back,
  • defend,
  • Venge,
  • retort,
  • match,
  • justify,
  • give just desserts,
  • give comeuppance,
  • pay back in spades,
  • be out for blood,
  • score,
  • fix one's wagon,
  • stick it to,
  • settle with.

• Other synonyms:

  •
  • fight back,
  • hit back,
  • get even with.
  •
  • wreak,
  • avenge.
  •
  • redress,
  • get back.
  •
  • vindicate.
  •pay
  • made up for,
  • making for,
  • squaring things,
  • make for,
  • paid one's dues.
  •retaliate
  • striking back.
  •revenge
  • paid off,
  • sticks to,
  • venging,
  • stick to,
  • stuck to.

Antonyms for Pay back:

• v.

  • exchange
    continue, keep, refuse, leave alone, remain, hold, deny.
  • fix
    forget, disturb, aid, eat out, destroy, break, play fair, ignore, unsettle, corrupt, change, disarrange, assist, Unfix, help, disorganize, neglect, look away.
  • pay
    lose, earn.
  • refund
    deprive, take, penalize, forfeit.
  • render
    confuse, remove, suppress, obscure, win, fight, veto, seize, withhold, fail, cloud, conceal, hide.
  • repay
    damage, forgive, steal, pardon, sympathize, extort, disagree.
  • restitute
    worsen, upset.
  • retaliate
    leave, depart.
  • return
    ask, request, pay.
  • revenge
    surrender.

Hyponym for Pay back:

• v.

  • competition
    get even, get back.
  • possession
    move, act.