Adverb
in a plaintive manner
Source: WordNetthe last note of the song rang out plaintively Source: Internet
Really disappointingly, it has been plaintively apathetic to dirty rotten scoundrels in their own ranks (“they’re ours, after all!” Source: Internet
When Beria finally realized what was happening and plaintively appealed to Malenkov to speak for him, his old friend and crony silently hung his head and refused to meet his gaze. Source: Internet
The relationship between Earn and Alfred—the darker-skinned relative who plaintively says, “I scare people at A.T.M.s! I rap!” Source: Internet
Maria Theresa, desperate and burdened by pregnancy, wrote plaintively to her sister: "I don't know if a town will remain to me for my delivery." Source: Internet