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holdfast

[ hohld-fast, -fahst ]
/ ˈhoʊldˌfæst, -ˌfɑst /
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noun
something used to hold or secure a thing in place; a catch, hook, clamp, etc.
Botany, Mycology. any of several rootlike or suckerlike organs or parts serving for attachment.
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The rainy weather could not ________ my elated spirits on my graduation day.
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Origin of holdfast

First recorded in 1550–60; noun use of verb phrase hold fast
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use holdfast in a sentence

British Dictionary definitions for holdfast

holdfast
/ (ˈhəʊldˌfɑːst) /

noun
  1. the act of gripping strongly
  2. such a grip
any device used to secure an object, such as a hook, clamp, etc
the organ of attachment of a seaweed or related plant
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
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