That which is contrary to law. ÒUnlawfulÓ and ÒillegalÓ are frequently used as synonymous terms, but, in the proper sense of the word, Òunlawful,Ó as applied to promises, agreements, considerations, and the like, denotes that they are ineffectual in law because they involve acts which, although not illegal, i. e., positively forbidden, are disapproved of by the law, and are therefore not recognized as the ground of legal rights, either because they are immoral or because they are against public policy. It is on this ground that contracts in restraint of marriage or of trade are generally void. Sweet. And see Hagerman v. Buchanan, 45 N. J. Eq. 292, 17 Atl. 946, 14 Am. St Rep. 732; Tatum v. State, 66 Ala. 467; Johnson v. State, 66 Ohio St. 59. 63 N. E. 607. 61 L. R. A. 277, 90 Am. St. Rep. 564; Pinder v. State, 27 Fla. 370, 8 South. 837, 26 Am. St. Rep. 75; MacDaniel v. U. S
