dear·ly adverb Etymology: Middle English derely, from Old English dēorlice, from dēore dear + -līce -ly — more at dear : in a dear manner: as a.obsolete: preciously, worthily, richly b.: with affection : fondly, affectionately < to love one dearly > c.: heartily, earnestly, deeply, keenly < the peace we so dearly seek — D.D.Eisenhower > d.: at a high rate or price < the victory was dearly won >