decision deck declare decrease deed deep deer defeat defence defend define definite degree delay delicate delicious delight deliver delivery demand democracy demonstrate dense department depend depend on dependent deposit depth describe description desert deserve design desirable desire desk despair despite destroy detail detect determination determine develop development devil devise devote diagram dial dialogue diameter diamond diary dictation dictionary die differ differ from difference different difficult difficulty dig dim dimension dinner dip direct direction directly director dirt dirty disadvantage disagree disappear disappoint discipline discourage discover discovery discuss discussion disease disgust dish dislike dismiss display dissolve distance distinct distinguish distribute district disturb ditch dive divide division do away with do without doctor document dog dollar domestic donkey door dot double doubt doubtful down dozen draft drag drain dramatic draw drawer drawing dream dress drift drill drink drive driver drop drop in drop off drop out drown drug drum dry duck due due to dull dumb during dusk dust duty dye daily dam damage dance danger dangerous dare dark darling dash data date daughter dawn day daylight dead deaf deal deal with dear death debt decade December decide