weasel - Dictionary Definition : Vocabulary.com

A weasel is a sneaky and sly person. Your weasel of a friend has a habit of "forgetting" his wallet every time he goes out to dinner with you.

You can call someone who cheats and lies a weasel, or you can use the word literally, to refer to the small furry mammal called a weasel. The furry kind of weasel is known for its short legs, long neck, and musky smell. In fact, the word's Proto-Germanic origin wisand carries the meaning of a stinky animal. The verb weasel means to sneak or evade, like when you weasel out of doing the dishes.

PRIMARY MEANINGS OF: weasel

1	n	small carnivorous mammal with short legs and elongated body and neck
2	n	a person who is regarded as treacherous or sneaky

FULL DEFINITIONS OF: weasel

1

n small carnivorous mammal with short legs and elongated body and neck

Types:: show 9 types...; hide 9 types...; Mustela erminea, ermine, shorttail weasel
mustelid of northern hemisphere in its white winter coat; Mustela rixosa, New World least weasel
of Canada and northeastern United States; Mustela nivalis, Old World least weasel
of Europe; Mustela frenata, long-tailed weasel, longtail weasel
the common American weasel distinguished by large size and black-tipped tail; muishond
southern African weasel; stoat
the ermine in its brown summer coat with black-tipped tail; Poecilogale albinucha, snake muishond
small slender burrowing muishond with white top of the head; Ictonyx striata, striped muishond
ferret-sized muishond often tamed; Ictonyx frenata, zoril
muishond of northern Africa

Type of:: mustelid, musteline, musteline mammal
fissiped fur-bearing carnivorous mammals

2

n a person who is regarded as treacherous or sneaky

Type of:: individual, mortal, person, somebody, someone, soul
a human being