From WordNet (r) 3.0 (2006):
snub
adj 1: unusually short; "a snub nose"
n 1: an instance of driving away or warding off [syn: rebuff,
snub, repulse]
2: a refusal to recognize someone you know; "the snub was
clearly intentional" [syn: snub, cut, cold shoulder]
v 1: refuse to acknowledge; "She cut him dead at the meeting"
[syn: ignore, disregard, snub, cut]
2: reject outright and bluntly; "She snubbed his proposal" [syn:
rebuff, snub, repel]