Resembling a twig or twigs, as in slenderness or fragility. (adjective)
Abounding in twigs: a twiggy branch. (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 "twiggy" in a sentence
"Tasted without food, it's what I can only describe as twiggy - it's as if they have crushed the vines along with the grapes."
"The computer up for sale is a 2/5, the owner thinks it was one of the original Lisas converted to a Lisa 2, as evidenced by the "twiggy" Power Connector in the Diskette bay and serial number."
"My arms and hands look kind of twiggy, and my wedding ring slid off when I was doing the dishes the other day."