December decide decision declare decline decorate decoration decorative decrease deep deeply defeat defense defend define definite definitely definition degree delay deliberate deliberately delicate delight delighted deliver delivery demand demonstrate dentist deny department departure depend deposit depress depressed depressing depth derive describe description desert deserted deserve design desire desk desperate desperately despite destroy destruction detail detailed determination determine determined develop development device devote devoted diagram diamond diary dictionary die diet difference different differently difficult difficulty dig dinner direct direction directly director dirt dirty disabled disadvantage disagree disagreement disappear disappoint disappointed disappointing disappointment disapproval disapprove disapproving disaster disc discipline discount discover discovery discuss discussion disease disgust disgusted disgusting dish dishonest dishonestly disk dislike dismiss display dissolve distance distinguish distribute distribution district disturb disturbing divide division divorce divorced do doctor document dog dollar domestic dominate door dot double doubt down downstairs downward downwards dozen