|1.||[ adjective ] easily irritated or annoyed|
|Synonyms:||peevish irritable testy techy peckish pettish petulant tetchy nettlesome cranky|
"an incorrigibly fractious young man" "not the least nettlesome of his countrymen"
|2.||[ adjective ] stubbornly resistant to authority or control|
"a fractious animal that would not submit to the harness" "a refractory child"
|3.||[ adjective ] unpredictably difficult in operation; likely to be troublesome|
"rockets were much too fractious to be tested near thigkly populated areas" "fractious components of a communication system"