from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Very humid and hot: sultry July weather.
- adj. Extremely hot; torrid: the sultry sands of the desert.
- adj. Expressing or arousing desire: a sultry look; a sultry dance.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. hot and humid
- adj. very hot and dry; torrid
- adj. sexually enthralling
from the GNU version of the Collaborative International Dictionary of English
- adj. Very hot, burning, and oppressive.
- adj. Very hot and humid, or hot, close, stagnant, and oppressive, as air.
from The Century Dictionary and Cyclopedia
- Giving forth great or oppressive heat.
- Very hot and moist; heated, close, stagnant, and heavy: as, a sultry atmosphere; a sultry night.
- Associated with oppressive heat.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. characterized by oppressive heat and humidity
- adj. sexually exciting or gratifying
From obsolete sulter, to swelter, possibly alteration of swelter.(American Heritage® Dictionary of the English Language, Fourth Edition)
Probably from the verb swelter. (Wiktionary)