ston·y·heart·ed 
(stōnē-här′tĭd) also stone·heart·ed (stōn-)
(stōnē-här′tĭd) also stone·heart·ed (stōn-)adj.
Devoid of kindness or sympathy; hardhearted.
- perfluorocarbon
- perfoliate
- perfoliation
- perforable
- perforate
- perforated
- perforation
- perforative
- perforator
- perforce
- perforin
- perform
- performable
- performance
- performance art
- performance artist
- performative
- performativity
- performer
- performing arts
- perfume
- perfumer
- perfumery
- perfunctorily
- perfunctoriness