Illegitimately
The Century Dictionary and Cyclopedia
In an illegitimate manner; unlawfully; without authority.
the GNU version of the Collaborative International Dictionary of English
adverb.
In a illegitimate manner; unlawfully.
Wiktionary, Creative Commons Attribution/Share-Alike License
adverb.
In an
illegitimate
manner.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adverb.
in a manner disapproved or not allowed by custom
adverb.
of biological parents not married to each other
Word Usage
"When she learns she cannot bear a child, Serena sets out to murder the son her husband fathered illegitimately."
Synonym
Words with the same meaning
unlawfully