circumference

1 the distance around a round body the circumference of the earth at the equator Synonyms girth Related Words ambit, circuit, compass; waistline; equator; diameter, radius; perimeter, periphery

2 the line or relatively narrow space that marks the outer limit of something a silly little affair that's of interest to no one beyond the circumference of this campus Synonyms borderline, bound, boundary, brim, border, compass, confines, edge, edging, end, frame, fringe, hem, margin, perimeter, periphery, rim, skirt, skirting, vergeRelated Words ambit; brink, crest, curb, cusp, lip; ceiling, maximum; demarcation, extent, limitation, measure, mere, restriction, termination; borderland, frontier, march, outskirts, pale, selvage; lap; shoreNear Antonyms center, core, heart; inner, inside, interior, middle, within