| Word | Definitions | Synonyms |
|---|---|---|
| developmentally | (adverb) with respect to development | - |
| devilish | (adverb) in a playfully devilish manner | Synonyms: devilishly |
| devilishly | (adverb) in a playfully devilish manner | Synonyms: devilish |
| (adverb) (used as intensives) excessively | Synonyms: deadly, deucedly, insanely, madly | |
| (adverb) as a devil; in an evil manner | Synonyms: diabolically, fiendishly | |
| deviously | (adverb) in a devious manner | - |
| devotedly | (adverb) with devotion | - |
| devoutly | (adverb) in a devout and pious manner | Synonyms: piously |