[il.le.git.i.mate] adj (1536) 1: not recognized as lawful offspring; specif: born of parents not married to each other
2: not rightly deduced or inferred: illogical
3: departing from the regular: erratic
4. a: not sanctioned by law: illegal b: not authorized by good usage c of a taxon: published but not in accordance with the rules of the relevant international code -- il.le.git.i.mate.ly adv