illegitimate

illegitimate /ˌɪlɪˈʤɪtəmət/ adjective
illegitimate
/ˌɪlɪˈʤɪtəmət/
adjective
Britannica Dictionary definition of ILLEGITIMATE
: not legitimate: such as
a  : born to a father and mother who are not married
b  : not allowed according to rules or laws
c  [more illegitimate; most illegitimate] : not reasonable or fair

— illegitimacy

/ˌɪlɪˈʤɪtəməsi/ noun [noncount]

— illegitimately

adverb