Definition of "thready" [thread•y]

• Consisting of or resembling thread; filamentous. (adjective)
• Capable of forming or tending to form threads; viscid. (adjective)
• Medicine Weak and shallow. Used of a pulse. (adjective)
• Lacking fullness of tone; thin: a thready voice. (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.

• "It can jump up to your finger with each beat of the heart, making it feel taut or wiry, indicating pain, or it can feel as if it’s barely reaching your fingers; this is known as thready, and may show a body weakness."
• "I gave him some of the contents to amuse him, and then entering the deserted grinding-shop, walked straight to the door at the end opening into the great wheel-pit, and throwing it back stood upon the little platform built out, and looked down at the black water, which received enough from the full dam to keep it in motion and make the surface seem to be covered with a kind of thready film that was always opening and closing, and spreading all over the place to the very walls."
• "His breath was weak and thready, and a lump was beginning to swell oddly on the back of his head."