Crossly
/ˈkrɔːsli/
Definition 1 of 1
Pro Tip 1/3Emotional Tone
Shows the speaker's irritation or annoyance rather than just being straightforward or neutral. 
He asked crossly why dinner wasn't ready yet.
Pro Tip 2/3Negative Feelings
Conveys the speaker's negative emotions, signaling displeasure or a short temper. 
She replied crossly when interrupted during her work.
Pro Tip 3/3Intensity Varies
Intensity can range from mildly annoyed to very angry based on context. 
His tone grew crossly as the argument continued.