Below are the words that matched your query...
Unstuck
- free; "a man with a mule got my car unstuck"; "the gears locked in second and would not come unstuck"
- thrown into a state of disorganization or incoherence; "price programs became unstuck because little grain was available"
Upon One's Guard
- vigilant; "on guard against con artists"; "must remain on your guard in such a situation"
Unwary
- not alert to danger or deception; "the shrieks of unwary animals taken by surprise"; "some thieves prey especially on unwary travelers"; "seduce the unwary reader into easy acquiescence"- O.J.Campbell
Unguarded
- displaying or feeling no wariness; "an unguarded remark"
- lacking protection or a guard; "an unguarded gate"; "his unguarded queen was open to attack"
Unattractive
- lacking beauty or charm; "as unattractive as most mining regions"
- lacking power to arouse interest; "being unemployed is a most unattractive prospect"
- not appealing to the senses; "untempting food"
Unprepossessing
- creating an unfavorable or neutral first impression
Unpresentable
- creating an unfavorable or neutral first impression
Unappealing
- not able to attract favorable attention;
- (of characters in literature or drama) tending to evoke antipathetic feelings;