Synonyms for Arrogant:

adj.

all (adjective)
chesty, self-important.
authoritative (adjective)
effective, powerful, potent, authoritarian, autocratic, masterful, dictatorial, authoritative, commanding, strong, effectual, influential, consequential, impressive, imperious, important.
boastful (adjective)
conceited, fat-headed, bragging, bombastic, inflated, self-important, self-praising, windy, boastful, vainglorious, pretentious, self-applauding, haughty, vain.
egotistical (adjective)
conceited, vain.
having exaggerated self-opinion (adjective)
haughty, conceited, supercilious, self-important, cheeky, superior, egotistic, overbearing, peremptory, contemptuous, pretentious, domineering, imperious, autocratic, proud, audacious, presumptuous, vain, insolent, bragging.
insolent (adjective)
cheeky, derisive, saucy, flagrant, candid, presumptuous, insubordinate, audacious, bold, impolite, callous, insolent, outrageous, sarcastic, impertinent, mouthy, contemptuous, sacrilegious, brazen, disrespectful, defiant, brash, rude, irreverent, outspoken, discourteous.
self-confident (adjective)
presumptuous.
tyrannical (adjective)
dictatorial, draconian, autocratic, peremptory, Ogreish, discretionary, tyrannical, overbearing, despotic, deterministic, oppressive, tyrannous, totalitarian, heavy-handed, domineering.

n.

patronizing, self-satisfied, immodest, egocentric, self-opinionated. high-and-mighty, superior, supercilious, attitude, prideful, lofty, overweening. arrogant (noun)
chesty, proud, self-important.
self-important (noun)
egotistic, superior, study atproud.

Other synonyms:

prideful, supercilious, patronizing, egocentric, self-satisfied. egotistic, high-and-mighty, immodest. superior. lofty. presumptuous
overweening.
Other relevant words:
superior, high-and-mighty, supercilious, patronizing, self-satisfied, egocentric, proud, overweening, attitude, chesty, lofty, self-opinionated, prideful, immodest, egotistic.

Usage examples for arrogant

  1. They were arrogant puffed up with an idea of their own importance, deficient in politeness. – Herbert Carter's Legacy by Horatio Alger
  2. Now Maltor, arrogant and impatient, stepped a pace or two in advance of his companions. – Warrior of the Dawn by Howard Carleton Browne