demotivating
From Longman Dictionary of Contemporary Englishdemotivatingde‧mo‧ti‧vat‧ing /diːˈməʊtəveɪtɪŋ $ -ˈmoʊ-/ adjective WILLINGmaking someone less eager or willing to do their job Tasks that do not challenge you can be very demotivating. —demotivate verb [transitive]Examples from the Corpusdemotivating• This can have a demotivating effect on more able pupils and can lead to under-achievement.