Breadcrumb Home > Thesaurus > O Synonyms of oak Find synonyms for: Noun 1. oak, wood usage: the hard durable wood of any oak; used especially for furniture and flooring 2. oak, oak tree, tree usage: a deciduous tree of the genus Quercus; has acorns and lobed leaves; "great oaks grow from little acorns" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of oak (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: panache Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language