IPA: /ˈfrækʃəsli/
KK: /ˈfrækʃəsli/
In a way that is easily irritated or prone to quarrels; often used to describe someone who is difficult to manage or control.
The fractiously behaved child made it hard for the teacher to maintain order in the classroom.
Fractiously → It is formed from "fract" (from Latin "frangere", meaning to break) and the suffix "-ious" (meaning full of or characterized by). The word "fractiously" describes a state of being full of breaks or disruptions, often referring to a quarrelsome or irritable nature.
Think of 'breaking' ('fract') to remember that 'fractiously' means being full of disruptions or irritability.