Dictionary.com
Thesaurus.com

hardhack

American  
[hahrd-hak] / ˈhɑrdˌhæk /

noun

  1. a woolly-leaved North American shrub, Spiraea tomentosa, of the rose family, having short, spikelike clusters of rose-colored flowers.

  2. shrubby cinquefoil.

hardhack British  
/ ˈhɑːdˌhæk /

noun

  1. Also called: steeplebush.  a woody North American rosaceous plant, Spiraea tomentosa, with downy leaves and tapering clusters of small pink or white flowers

"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

Etymology

Origin of hardhack

An Americanism dating back to 1805–15; hard + hack 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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