"fractious" in the adjective sense
1. fractious, refractory, recalcitrant
stubbornly resistant to authority or control
"a fractious animal that would not submit to the harness"
"a refractory child"
2. cranky, fractious, irritable, nettlesome, peevish, peckish, pettish, petulant, scratchy, testy, tetchy, techy
easily irritated or annoyed
"an incorrigibly fractious young man"
"not the least nettlesome of his countrymen"
3. fractious
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"
Source: WordNet® (An amazing lexical database of English)
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