Below are the words that matched your query...
Unscripted
- not furnished with or using a script; "unrehearsed and unscript spot interviews"; "unscripted talk shows"
Unwritten
- said or done without having been planned or written in advance; "he made a few ad-lib remarks"
- using speech rather than writing; "an oral tradition"; "an oral agreement"
- based on custom rather than documentation; "an unwritten law"; "rites...so ancient that they well might have had their unwritten origins in Aurignacian times"- J.L.T.C.Spence
Unsinkable
- incapable of being sunk; "they thought the Titanic was unsinkable"
Unary
- consisting of or involving a single element or component; "in a unary operation in a mathematical system one element is used to yield a single result"
Uninominal
- based on the system of having only one member from each district (as of a legislature); "a uninominal electoral system"
Unsized
- not fashioned to sizes; "unsized gloves; one size fits all"
- not having the surface treated or coated with sizing; "unsized paper"
Unskillful
- poorly done; "a botchy piece of work"; "it was an unskillful attempt"
Uncreased
- used especially of fabrics; "uncreased trousers"