curved shape cur·veds·hape uncommon noun 1. the trace of a point whose direction of motion changes Synonymscurvecurved shape Antonymsstraight line Related words Word family curve Broader terms line Narrower terms normal curvemeanderclosed curveS-shapecatenaryCupid's bowwaveextrados WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.