Yes, waste is playable
...and is worth 8 points.
Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Waste" Definition
noun
A devastated or destroyed region, town, or building; a ruin.
A place, region, or land that is uninhabited or uncultivated; a desert or wilderness.
An unusable or unwanted substance or material, such as a waste product.
Something, such as steam, that escapes without being used.
verb-transitive
To cause to lose energy, strength, or vigor; exhaust, tire, or enfeeble: Disease wasted his body.
To fail to take advantage of or use for profit; lose: waste an opportunity.
To use, consume, spend, or expend thoughtlessly or carelessly.
verb-intransitive
To lose energy, strength, weight, or vigor; become weak or enfeebled: wasting away from an illness.
To pass without being put to use: Time is wasting.
verb
To damage or destroy gradually and progressively.
To cause to shrink in physical bulk or strength.
To wear away or diminish gradually.
To spend or use carelessly.
adjective
Excreted from the body: waste matter.
Regarded or discarded as worthless or useless: waste trimmings.
Used as a conveyance or container for refuse: a waste bin.
Being wild and uninhabited.
Not cultivated not productive.
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