Disagreeably moist, sticky, and cold to the touch: a clammy handshake. (adjective)
Damp and unpleasant: clammy weather. (adjective)
Uneasy; apprehensive: The ghost town gave us a clammy feeling. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "clammy" in a sentence
"There is a kind of locust, called the clammy-barked, found in the"
"And the thing that you get in the airport, because the temperature's always that kind of clammy thing, so that your nipples actually bristle against your shirt."
"It was nice to shower in a tub he'd cleaned himself, instead of those truck-stop showers, which always felt kind of clammy and slimy and fungusy."