Gaunt and bony. See Synonyms at lean2. (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 "scrawny" in a sentence
"Governor Schwarzenegger saying he would help Barack Obama work on what he called his scrawny legs and also his skinny biceps as well."
"After kicking, cursing and fighting for her life, her fingers were pried off the wheel by the men, whom she described as scrawny but determined as ever to take her car."
"Because I looked like somebody who might actually have athletic ability - I've never been what you'd call "scrawny" - I was among the first picked for a team."