Example : A fractious animal that would not submit to the harness.
A refractory child.

Synonyms : recalcitrant, refractory

Example : An incorrigibly fractious young man.
Not the least nettlesome of his countrymen.

Synonyms : cranky, irritable, nettlesome, peckish, peevish, pettish, petulant, scratchy, techy, testy, tetchy

Example : Rockets were much too fractious to be tested near thickly populated areas.
Fractious components of a communication system.