Yes, smell is playable
...and is worth 10 points.
Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Smell" Definition
noun
A distinctive enveloping or characterizing quality; an aura or trace: the smell of success.
That quality of something that may be perceived by the olfactory sense.
The act or an instance of smelling.
The sense by which odors are perceived; the olfactory sense.
The property of a thing that affects the olfactory organs .
idiom
Smell a rat Slang To suspect that something is wrong.
verb-intransitive
To appear to be dishonest; suggest evil or corruption.
To be suggestive; have a touch of something: a cave that smells of terror.
To have or emit an odor: "The breeze smelled exactly like Vouvray—flowery, with a hint of mothballs underneath” ( Anne Tyler).
To have or emit an unpleasant odor; stink: This closet smells.
To use the sense of smell; perceive the scent of something.
verb-transitive
To perceive the scent of (something) by means of the olfactory nerves.
To sense the presence of by or as if by the olfactory nerves; detect or discover: We smelled trouble ahead. The committee tried to smell out corruption in law enforcement.
verb
To perceive the odor or scent of through stimuli affecting the olfactory nerves get the odor or scent of with the nose.
To detect or become aware of as if by the sense of smell .
To exercise the sense of smell.
To have an odor or scent.
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