dismissive

Adjective dismissive has 2 senses

• dismissive(s = adj.all) Array - showing indifference or disregard; "a dismissive shrug"; "the firm is dismissive of the competitor's product"; "'chronic fatigue syndrome' was known by the dismissive term 'housewife syndrome'"
Derived form verb dismiss₁

• dismissive(s = adj.all) Array - stopping to associate with; "they took dismissive action after the third violation"
Derived form verb dismiss₅