disagreeable C2+

/ˌdɪsəˈɡriəbəl/ unpleasant or bad-tempered

graceless C2+

/ˈɡreɪsləs/ lacking charm, elegance, or a sense of propriety

gratifying C2+

/ˈɡrætɪfaɪɪŋ/ giving pleasure or satisfaction

ungraceful C2+

/ʌnˈɡreɪsfəl/ lacking grace or elegance; clumsy

congratulation C2+

/kənˌɡrætʃəˈleɪʃən/ the expression of praise or good wishes for an achievement

gratefully C2+

/ˈɡreɪtfəli/ in a manner showing thankfulness

gratefulness C2+

/ˈɡreɪtfəlnəs/ the state of feeling or showing thankfulness

gratify C2+

/ˈɡrætəˌfaɪ/ to give pleasure or satisfaction to

gratuitous C2+

/ɡrəˈtuɪtəs/ uncalled for; given or done without good reason

gratuity C2+

/ɡrəˈtuɪti/ a tip or sum given for service, beyond what is owed

ingrateful C2+

/ɪnˈɡreɪtfəl/ unthankful; failing to show gratitude (archaic for ungrateful)

ingratiatory C2+

/ɪnˈɡreɪʃiəˌtɔri/ intended to win favor or approval; ingratiating