Yes, collapse is playable
...and is worth 16 points.
Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Collapse" Definition
noun
An abrupt failure of function, strength, or health; a breakdown.
An abrupt loss of perceived value or of effect: the collapse of popular respect for the integrity of world leaders.
The act of falling down or inward, as from loss of supports.
A breakdown in vital energy, strength, or stamina.
A state of extreme prostration and physical depression (as from circulatory failure or great loss of body fluids).
verb-intransitive
To break down suddenly in strength or health and thereby cease to function: a monarchy that collapsed.
To fall down or inward suddenly; cave in.
To fold compactly: chairs that collapse for storage.
verb-transitive
To cause to fold, break down, or fall down or inward.
verb
To fall or shrink together abruptly and completely fall into a jumbled or flattened mass through the force of external pressure .
To break down completely .
To cave or fall in or give way .
To suddenly lose force, significance, effectiveness, or worth .
To break down in vital energy, stamina, or self-control through exhaustion or disease.
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