Definitions
1.AdjectiveLacking caution as a result of naïveté or inexperience.
2.Adjective1885, W[illiam] S[chwenck] Gilbert; Arthur Sullivan, composer, […] The Mikado; or, The Town of Titipu, London: Chappel & Co., […], →OCLC:Three little maids who, all unwary,Come from a ladies' seminary
3.AdjectiveUnprepared; not watchful.