Yes, steep 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)
"Steep" Definition
noun
A liquid, bath, or solution in which something is steeped.
The act or process of steeping.
The state of being steeped.
A bath or solution in which something is steeped.
adjective
Ambitious; difficult: a steep undertaking.
At a rapid or precipitous rate: a steep rise in salaries.
Excessive; stiff: a steep price.
Having a sharp inclination; precipitous.
Extremely or excessively high .
verb-transitive
To infuse or subject thoroughly to.
To make thoroughly wet; saturate.
To soak in liquid in order to cleanse, soften, or extract a given property from.
verb-intransitive
To undergo a soaking in liquid.
verb
To undergo the process of soaking in a liquid.
To saturate with or subject thoroughly to (some strong or pervading influence) .
To cover with or plunge into a liquid (as in bathing, rinsing, or soaking).
To soak in a liquid at a temperature under the boiling point (as for softening, bleaching, or extracting an essence).
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