Bastard

BASTARD – an illegitimate child; born out of wedlock.

Merriam-Webster Online Dictionary
bastard (noun)
1.
an illegitimate child
2.
something that is spurious, irregular, inferior, or of questionable origin
3.
a) an offensive or disagreeable person - used as a generalized term of abuse
b) - man fellow
bastard (adjective)
1.
- illegitimate
2.
of mixed or ill-conceived origin - known for coining bastard words
3.
of abnormal shape or irregular size
4.
of a kind similar to but inferior to or less typical than some standard
5.
lacking genuineness or authority - false