dismissing
adj. B2 Upper Intermediate US //dɪsˈmɪsɪŋ// UK //dɪsmˈɪsɪŋ// dis·miss·ing
adj. showing that you do not think something or someone is important or worthy of attention.
adj. characterized by a lack of respect or interest; treating as unworthy of serious consideration. Often used predicatively after 'feel' or 'seem'.
She gave him a cold, dismissing look.
The manager offered a dismissing wave of her hand and returned to her desk.
His tone was not merely dismissive but actively hostile, suggesting a deep-seated resentment toward the new policy.
Usage
Typically used attributively before a noun or predicatively after a linking verb.