| Term | Definition |
| disingenuous | lacking genuine candor; insincere |
| disinterested | unprejudiced |
| disjointed | lacking coherence; separated at the joints |
| dismiss | eliminate from consideration; reject |
| disparage | belittle |
| disparate | basically different; unrelated |
| dissemble | disguise; pretend |
| disseminate | distribute; spread; scatter (like seeds) |
| dissolution | disintegration; looseness in morals |
| dissonance | discord; opposite of harmony |
| distend | expand; swell out |
| distill | purify; refine; concentrate |
| diverge | vary; go in different directions from the same point |
| divest | strip; deprive |
| document | provide written evidence |
| dogmatic | opinionated; arbitrary; doctrinal |
| dormant | sleeping; lethargic; latent |
| dupe | someone easily fooled |
| ebullient | showing excitement; overflowing with enthusiasm |
| eclectic | selective; composed of elements drawn from disparate sources |
| efficacy | power to produced desired effect |
| effrontery | impudence; shameless boldness; sheer nerve; presumptuousness |
| elegy | poem or song expressing lamentation |
| elicit | draw out by discussion |
| embellish | adorn; ornament; enhance, as a story |
| empirical | based on experience |
| emulate | imitate; rival |