Kids Definition earnest 1 of 2 noun ear·nest ˈər-nəst : a serious state of mind a promise made in earnest earnest 2 of 2 adjective 1 : having or showing a serious attitude : not light or playful made an earnest request 2 : important sense 1 earnestly adverb ...
Earnest definition: serious and zealous in intention, purpose, or effort. See examples of EARNEST used in a sentence.
Thesaurus Synonyms of earnest adjective as in solemn noun as in intentness Synonym Chooser Example Sentences Entries Near Cite this Entry Share More from M-W Show less Save Word earnest 1 of 2 adjective ˈər-nəst Definition of earnest ...