Synonyms of trigger happy

Adjective

1. trigger-happy, irresponsible (vs. responsible)

usage: irresponsible in the use of firearms

2. fierce, tearing, vehement, violent, trigger-happy, intense (vs. mild)

usage: marked by extreme intensity of emotions or convictions; inclined to react violently; fervid; "fierce loyalty"; "in a tearing rage"; "vehement dislike"; "violent passions"