D is deliberate. Like a dull knife, this letter doesn’t quite cut through a sentence like its predecessor, but still is hard and determined enough to anchor a phrase and get the job done. D is the dogged detective, undeterred by doubt, delving by desk lamp through the dross of documents to discover some meaningful detail. D is doughty yet somewhat discreet as it goes about its work. This letter is deft and diplomatic, insinuating itself within sentences and words, blending in until almost dissolving among them. But to the discerning eye and ear, D’s presence is always detectable. Find it below in this list of great D adjectives.