phoney meaning
EN
[-əʊni] 
US - NounPLphoneysPLphoniesPREphon-
- Alternative form of phony.
- Alternative form of phony.
- AdjectiveCOMphonierSUPphoniest
- Alternative form of phony.
- A good jeweler should be able to tell a real stone from a phoney one.
- Alternative form of phony.
Definition of phoney in English Dictionary
- Part-of-Speech Hierarchy
- Adjectives
- Nouns
- Countable nouns
- Countable nouns
- Adjectives
- en phoneys
- en phoneyness
Source: Wiktionary
Grammatically, this word "phoney" is an adjective. It's also a noun, more specifically, a countable noun.