[ sing-ker ]
/ ˈsɪŋ kər /


a person or thing that sinks.
a person employed in sinking, as one who sinks shafts.
a weight, as of lead, for sinking a fishing line or net below the surface of the water.
Slang. a doughnut or, sometimes, a biscuit or muffin.
Also called sinkerball. Baseball. a pitched ball that curves downward sharply as it reaches the plate.

Origin of sinker

1520–30; 1920–25 for def 4; 1925–30 for def 5; sink + -er1


sink·er·less, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for sinker

British Dictionary definitions for sinker

/ (ˈsɪŋkə) /


a weight attached to a fishing line, net, etc, to cause it to sink in water
a person who sinks shafts, etc
US an informal word for doughnut
hook, line, and sinker See hook (def. 18)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with sinker


see hook, line, and sinker.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.