Merriam-Webster's Collegiate® Dictionary, 11th Edition
SNUB
I. transitive verb (snubbed; snubbing)
Etymology: Middle English snibben, snubben, probably of Scandinavian origin; akin to Old Norse snubba to scold, Swedish dialect snubba to reproach, cut off
Date: 13th century
to check or stop with a cutting retort ; rebuke ,
2. to check (as a line) suddenly while running out especially by turning around a fixed object (as a post or a cleat), to restrain the action of ; suppress , to treat with contempt or neglect , to extinguish by stubbing ,
II. noun
Date: 14th century
an act or an instance of snubbing,
III. adjective
Date: 1724
blunt , stubby , used in snubbing , snubness noun