Below are the words that matched your query...
Untrusting
- openly distrustful and unwilling to confide
Untrustworthy
- not worthy of trust or belief; "an untrustworthy person"
Untrusty
- not worthy of trust or belief; "an untrustworthy person"
Untucked
- lacking tucks or not being tucked; "the sheet came untucked"; "plain untucked shirt front"
Upside-Down
- being in such a position that top and bottom are reversed; "a quotation mark is sometimes called an inverted comma"; "an upside-down cake"
Unturned
- not turned; "left no stone unturned"
Untypical
- not representative of a group, class, or type; "a group that is atypical of the target audience"; "a class of atypical mosses"; "atypical behavior is not the accepted type of response that we expect from children"
Unrepresentative
- not exemplifying a class; "I soon tumbled to the fact that my weekends were atypical"; "behavior quite unrepresentative (or atypical) of the profession"
Underarm
- with hand brought forward and up from below shoulder level; "an underhand pitch"; "an underhand stroke"
- with the hand swung below shoulder level; "throwing a ball underarm"
Undersea
- beneath the surface of the sea