Synonyms for Nag:

n.

blame, criticize, denigrate, deride, rebuke, remonstrate, reprimand, reproach, put down, find fault with. arab, arabian, bay, bloodstock, bronc, bronco, carthorse, charger, chestnut, praise, Henpeck, carp at, fuss at, pick on, brumby. autocrat, big brother, dictator, disciplinarian, gatekeeper, martinet, taskmaster, tyrant, control freak. force, threaten, drag into. alarm, concern, distress, frighten, tear apart, unsettle, weigh on, worry. animal (noun)
hack, jade, plug.
horse (noun)
bronco.
nag (noun)
common scold, hack, hen-peck, jade, nagger, peck, plug, scold, scolder.
plug (noun)
animal, horse, mount.

v.

abuse (verb)
reproach, tear apart, pick on.
aggravate (verb)
aggravate, annoy, antagonize, arouse, badger, bait, bedevil, bother, chafe, discompose, disturb, enrage, envenom, exacerbate, exasperate, fret, grate, hack, harass, harry, hassle, inflame, infuriate, irk, irritate, needle, peeve, perturb, pester, rankle, tease, torment, trouble, upset, vex.
annoy (verb)
bedevil, chafe, distress, disturb, harass, perturb, trouble, Henpeck.
beg (verb)
press.
beset (verb)
hassle.
compel (verb)
browbeat, bulldoze, bully, cause, coerce, compel, daunt, dictate, dragoon, drive, foment, galvanize, goad, hijack, impel, incite, intimidate, mandate, motivate, oblige, press, pressure, propel, push, spark, stimulate, stress, urge.
cuss (verb)
blaspheme, curse, cuss, scold, swear.
nag (verb)
annoy, badger, bait, goad, harry, irk, irritate, needle, pester, scold, tease, torment, urge, vex, worry, carp at.
protest (verb)
remonstrate.

Other synonyms:

big brother, disciplinarian, horse, martinet, taskmaster, control freak, drag into. autocrat, dictator, gatekeeper, tyrant. force. aggravate
grate, irk.
bully
Henpeck.
needle
bait.
remonstrate
remonstrate.
Other relevant words:
autocrat, bronco, charger, common scold, criticize, disciplinarian, distress, force, frighten, hack, hen-peck, horse, jade, mount, nagger, peck, plug, remonstrate, scolder, threaten, worry, Henpeck, carp at, fuss at, pick on, find fault with.

Usage examples for nag

  1. It isn't much of a place, but you may get along in a country cart, or hire a nag – Paddy Finn by W. H. G. Kingston
  2. The hardest nag in all the world to ride is the nightmare. – Around The Tea-Table by T. De Witt Talmage
  3. The " womanly way" is to nag and tease. – In Times Like These by Nellie L. McClung