A jacket or pullover made especially of knit, crocheted, or woven wool, cotton, or synthetic yarn.(noun)
One that sweats, especially profusely.(noun)
Something that induces sweating; a sudorific.(noun)
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 "sweater" in a sentence
"Although the sweater is a little plain, it would benefit from a deeper V-neck and maybe two or three vertical stripes on the face of the shirt."
"Doing the latter by taking off your sweater is fine by me, though rather more could be done in other ways."
"Do not pass Go, do not bother brushing your hair or checking to see if your sweater is on inside-out."