D
- Daunt - (verb) cause to lose courage
- Dauntless - (adj.) invulnerable to fear or intimidation
- Debilitate - (verb) make weak
- Decorous - (adj.) dignified in conduct, manners or disposition
- Delusion - (noun) deception by creating illusory ideas; a mistaken or unfounded opinion or idea
- Deplete - (verb) use or exhaust resources
- Derelict - (adj.) abandoned duty or neglected by owner or occupant
- Deviate - (verb) to stray from the norm or standard
- Dictum - (noun) an authoritative declaration; an opinion voiced by a judge on a point of law not directly bearing on the case in question and therefore not binding
- Didactic - (adj.) designed or intended to teach; making moral observations
- Discrepancy - (noun) a difference between conflicting facts or claims or opinions; an event that departs from expectations
- Disdain - (noun) lack of respect accompanied by a feeling of intense dislike
- Disdain - (verb) reject with contempt
- Disentangle - (verb) smoothen and neaten; free from involvement
- Disingenuous - (adj.) not straightforward or candid; giving a false appearance of frankness
- Distend - (verb) swell from or as if from internal pressure; cause to expand as it by internal pressure
- Docile - (adj.) easily handled or managed; ready and willing to be taught
- Drawback - (noun) the quality of being a hindrance
- Dubious - (adj.) not convinced; fraught with uncertainty or doubt; open to doubt or suspicion