Uncertain unreliable unsafe Phony untrustworthy undependable treacherous untrue questionable traitorous shaky disloyal unfaithful fickle inconstant dodgy perfidious problematic faithless unsure Uncertain lying doubtful dishonest problematical dangerous deceitful debatable unsound suspect mendacious risky shady untruthful fishy disputable recreant untried unconfirmed doubtable See Extr... https://appliance-repair31864.wikibuysell.com/837260/what_does_development_mean