Breadcrumb Home > Thesaurus > B Synonyms of blackthorn Find synonyms for: Noun 1. blackthorn, sloe, Prunus spinosa, shrub, bush usage: a thorny Eurasian bush with plumlike fruits 2. blackthorn, pear haw, pear hawthorn, Crataegus calpodendron, Crataegus tomentosa, hawthorn, haw usage: erect and almost thornless American hawthorn with somewhat pear-shaped berries WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of blackthorn (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: fractious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language