il·legit·im·ate [illegitimateillegitimatesillegitimatedillegitimating] BrE [ˌɪləˈdʒɪtəmət] NAmE [ˌɪləˈdʒɪtəmət] adjective 1. born to parents who are not married to each other 2. (formal)not allowed by a particular set of rules or by law Syn: ↑unauthorized •illegitimate use of company property Opp: ↑legitimate Derived Words: ↑illegitimacy▪ ↑illegitimately
Word Origin: mid 16th cent.: from late Latin illegitimus (from in- ‘not’ + legitimus ‘lawful’), suggested by ↑legitimate.
Example Bank: •He has been accused of illegitimate use of company property.