'Illegitimate' definitions:

Definition of 'illegitimate'

From: WordNet
adjective
Contrary to or forbidden by law; "an illegitimate seizure of power"; "illicit trade"; "an outlaw strike"; "unlawful measures" [syn: illegitimate, illicit, outlaw(a), outlawed, unlawful]
adjective
Of marriages and offspring; not recognized as lawful [ant: legitimate]
noun
The illegitimate offspring of unmarried parents [syn: bastard, by-blow, love child, illegitimate child, illegitimate, whoreson]

Definition of 'Illegitimate'

From: GCIDE
  • Illegitimate \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. [1913 Webster]
  • The marriage should only be dissolved for the future, without illegitimating the issue. --Bp. Burnet. [1913 Webster]

Definition of 'Illegitimate'

From: GCIDE
  • Illegitimate \Il`le*git"i*mate\, a.
  • 1. Not according to law; not regular or authorized; unlawful; improper. [1913 Webster]
  • 2. Unlawfully begotten; born out of wedlock; bastard; as, an illegitimate child. [1913 Webster]
  • 3. Not legitimately deduced or inferred; illogical; as, an illegitimate inference. [1913 Webster]
  • 4. Not authorized by good usage; not genuine; spurious; as, an illegitimate word. [1913 Webster]
  • Illegitimate fertilization, or Illegitimate union (Bot.), the fertilization of pistils by stamens not of their own length, in heterogonously dimorphic and trimorphic flowers. --Darwin. [1913 Webster]