ingratiatingin‧gra‧ti‧at‧ing /ɪnˈɡreɪʃieɪtɪŋ/ adjective 
trying too hard to get someone’s approval – used to show disapproval: 
an ingratiating smile—ingratiatingly adverb
trying too hard to get someone’s approval – used to show disapproval: an ingratiating smile—ingratiatingly adverb