gruntle /ˈɡɹʌn.təl/noun 2verb 3forms 3 noun2 •A grunting sound. •A snort. verb3 •(humorous) To humour; to induce the opposite effect of causing a person to become disgruntled. •(no longer used) To complain; to grumble •(no longer used) To utter small, low grunts. formsgruntled · gruntling · gruntles