FRACTIOUS
fractious
(adjective) unpredictably difficult in operation; likely to be troublesome; “rockets were much too fractious to be tested near thickly populated areas”; “fractious components of a communication system”
cranky, fractious, irritable, nettlesome, peevish, peckish, pettish, petulant, scratchy, testy, tetchy, techy
(adjective) easily irritated or annoyed; “an incorrigibly fractious young man”; “not the least nettlesome of his countrymen”
fractious, refractory, recalcitrant
(adjective) stubbornly resistant to authority or control; “a fractious animal that would not submit to the harness”; “a refractory child”
Source: WordNet® 3.1
Etymology
Adjective
fractious (comparative more fractious, superlative most fractious)
Given to troublemaking.
Irritable; argumentative; quarrelsome.
Source: Wiktionary
Frac"tious, a. Etym: [Cf. Prov. E. frack forward, eager, E. freak,
fridge; or Prov. E. fratch to squabble, quarrel.]
Definition: Apt to break out into a passion; apt to scold; cross; snappish;
ugly; unruly; as, a fractious man; a fractious horse.
Syn.
– Snappish; peevish; waspish; cross; irritable; perverse; pettish.
– Frac"tious*ly, v.
– Frac"tious*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition