verb (used without object) British Informal.
to grumble or grouse mildly or tediously.
Origin of chunter
1590–1600; orig. dial. (Midlands, N England) chunter, chunder, chunner; compare Scots channer in same sense; expressive word of obscure origin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(intr often foll by on) British informal to mutter or grumble incessantly in a meaningless fashion
Word Origin for chunter
C16: probably of imitative origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012