Il`le*git"i*mate (?), a.
1.
Not according to law; not regular or authorized; unlawful; improper.
2.
Unlawfully begotten; born out of wedlock; bastard; as, an illegitimate child.
3.
Not legitimately deduced or inferred; illogical; as, an illegitimate inference.
4.
Not authorized by good usage; not genuine; spurious; as, an illegitimate word.
Illegitimate fertilization, ∨ Illegitimate union Bot., the fertilization of pistils by stamens not of their own length, in heterogonously dimorphic and trimorphic flowers.
Darwin.
© Webster 1913.
Il`le*git"i*mate (?), v. t. [imp. & p. p. Illegitimated (?); p. pr. & vb. n. Illegitimating.]
To render illegitimate; to declare or prove to be born out of wedlock; to bastardize; to illegitimatize.
The marriage should only be dissolved for the future, without illegitimating the issue.
Bp. Burnet.
© Webster 1913.