koʊst kəʊst ˈɡlaɪd ˈɡlaɪd ˈɡlɑɪdɪŋ slaɪd the activity of flying a glider the act of moving smoothly along a surface while remaining in contact with it his slide didn't stop until the bottom of the hill the children lined up for a coast down the snowy slope move smoothly and effortlessly cause to move or pass silently, smoothly, or imperceptibly fly in or as if in a glider plane a vowellike sound that serves as a consonant