| Word | Definitions | Synonyms |
|---|---|---|
| perfectly | (adverb) completely and without qualification; used informally as intensifiers | Synonyms: absolutely, dead, utterly |
| (adverb) in a perfect or faultless way | - | |
| perfidiously | (adverb) in a perfidious manner | - |
| perforce | (adverb) by necessity; by force of circumstance | - |
| perfunctorily | (adverb) in a set manner without serious attention; as a formality | Synonyms: pro forma |