Peremptory
High-handed, summary, abrupt
Fraternisning
associating, going around, socializing
Repugnance
Revulsion, loathing, horror
Perpetration
Committing violent act
Taciturn
Reticent, not talkative
Convulse
Suffer a fit, jerk
sardonically
Ironically, sarcastically
Tacit
Hinted, implicit
Demurred
Dissented, objected