climb up v 1: go upward with gradual or continuous progress; "Did you ever climb up the hill behind your house?" [syn: {climb}, {climb up}, {mount}, {go up}] 2: appear to be moving upward, as by means of tendrils; "the vine climbed up the side of the house" [syn: {ascend}, {climb up}] 3: rise in rank or status; "Her new novel jumped high on the bestseller list" [syn: {rise}, {jump}, {climb up}]