from The American Heritage® Dictionary of the English Language, 4th Edition
- n. One that tells lies.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. One who tells lies.
from the GNU version of the Collaborative International Dictionary of English
- n. A person who knowingly utters falsehood; one who lies.
from The Century Dictionary and Cyclopedia
- n. One who lies; a person who knowingly utters falsehood; one who deceives by false report or representation.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a person who has lied or who lies repeatedly
From Middle English lier, from Old English lēogere ("liar, false witness, hypocrite"), from lēogan ("to lie, deceive, belie, betray, be in error, charge falsely"), equivalent to lie + -er. Cognate with German Lügner ("liar"), Icelandic lygari ("liar"). More at lie. (Wiktionary)