From Longman Dictionary of Contemporary Englishmealy-mouthedˌmealy-ˈmouthed adjective WILLINGnot brave enough or honest enough to say clearly and directly what you really think – used to show disapproval Most people felt Mr Major fought a pretty mealy-mouthed campaign in which radical ideas were either dropped or blunted.
Examples from the Corpus
mealy-mouthed• Don't be so mealy-mouthed, Bernice told herself.• What a bunch of hypocritical mealy-mouthed people! 