contentious

adj.

argumentative; quarrelsome; causing controversy or disagreement

Syn: antagonistic, disagreeable, querulous, aggressive

Ant: calm, laid-back

discordant

adj.

conflicting; dissonant or harsh in sound

Syn: antagonistic, cacophonous, contradictory, incompatible, strident

Ant: agreeable, concordant, harmonious

disparate

adj.

fundamentally distinct or dissimilar

Syn: contrary, contrasting, discordant, divergent

Ant: alike, equal, similar

gainsay

v.

to deny, dispute, or contradict; oppose

Syn: contravene, deny, impugn, dispute

Ant: agree, concur, attest, prove

ignominy

n.

disgrace; dishonor; public contempt

Syn: disrepute, discredit, shame, obloquy

Ant: credit, honor

impugn

v.

to challenge as false; cast doubt upon

Syn: assail, contravene, dispute, oppose

Ant: flatter, praise, support

irascible

adj.

easily angered; prone to temperamental outbursts

Syn: angry, fractious, querulous, acrimonious, irate

Ant: cheerful, happy, kind, peaceable

obstreperous

adj.

resisting control or restraint in a difficult manner; unruly; noisy, clamorous, or boisterous

Syn: uncontrolled, refractory

Ant: obedient, calm

opprobrious

adj.

conveying or expressing oprobrium, as language or a speaker; outrageously disgraceful or shameful

Syn: reproachful, abusive, vituperative, contemptuous, ignominious

Ant: laudatory, reputable

pugnacious

adj.

inclined to quarrel or fight readily; quarrelsome; belligerent; combative

Syn: argumentative, contentious, bellicose

Ant: agreeable

truculent

adj.

fierce and cruel; eager to fight

Syn: abusive, aggressive, contentious, opprobrious, obstreperous, pernicious, malevolent

Ant: harmless, healthy, gentle, kind

virulent

adj.

extremely harmful or poisonous; bitterly hostile or antagonistic

Syn: destructive, malignant, pernicious, acrimonious, malevolent

Ant: harmless, healthy, gentle, kind

splenetic

adj.

irritable; peevish; spiteful

Syn: vexatious, irascible, petulant

Ant: kind, calm

fractious

adj.

refractory or unruly; readily angered; peevish; irritable; quarrelsome

Syn: stubborn, querulous, intractable, captious, disagreeable, irascible, surly

Ant: agreeable, complaisant, happy, pleasant

captious

adj.

apt to notice and make much of trivial faults or defects; difficult to please

Syn: critical, contrary, demanding, disparaging

Ant: complimentary, encouraging, flattering