Origin: before 1000; Middle English erneste,Old English eornoste (adj.); Middle English ernest,Old English eornost (noun); cognate with Dutch, German ernest
Related forms
ear·nest·ly, adverb
ear·nest·ness, noun
Synonyms 1. fervent, intent, purposeful, determined, industrious, ambitious. Earnest,resolute,serious,sincere imply having qualities of depth and firmness. Earnest implies having a purpose and being steadily and soberly eager in pursuing it: an earnest student. Resolute adds a quality of determination: resolute in defending the right. Serious implies having depth and a soberness of attitude that contrasts with gaiety and frivolity; it may include the qualities of both earnestness and resolution: serious and thoughtful. Sincere suggests genuineness, trustworthiness, and absence of superficiality: a sincere interest in music.
O.E. eornoste (adj.) from a noun eornost "passion, zeal" (surviving only in the phrase in earnest), from P.Gmc. *ern "vigor, briskness" (cf. O.H.G. arnust "struggle," Goth. arniba "safely," O.N. jarna "fight, combat") The proper name Ernest (lit. "resolute") is from the same root. Related: Earnestly;