(burn brightly; "Every star seemed to flare with new intensity")
(become flared and widen, usually at one end; "The bellbottom pants flare out")
(shine with a sudden light; "The night sky flared with the massive bombardment")
(erupt or intensify suddenly; "Unrest erupted in the country"; "Tempers flared at the meeting"; "The crowd irrupted into a burst of patriotism")
(streaming or flapping or spreading wide as if in a current of air; "ran quickly, her flaring coat behind her"; "flags aflare in the breeze")