Ĭl'le-ġĭt'i-ma-çy, n.

noun

n. [Cf. Fr. illégitimité, It. illegittimità, Sp. ilegitimidad.]

Sense 1. The state of being illegitimate; the state of bastardy. Blackstone.

Sense 2. The state of being not genuine, or of legitimate origin.