From Longman Dictionary of Contemporary Englishwishy-washywish‧y-wash‧y /ˈwɪʃi ˌwɒʃi $ -ˌwɒːʃi, -ˌwɑːʃi/ adjective informal 1 DECIDEsomeone who is wishy-washy does not have firm or clear ideas and seems unable to decide what they want – used to show disapproval a bunch of wishy-washy liberals2 PIECEcolours that are wishy-washy are pale and unexciting, not strong or dark – used to show disapproval
Examples from the Corpus
wishy-washy• The group is too wishy-washy an entity.• He loves to bully and to unleash his hounds on what he sees as the snooty, wishy-washy liberal establishment.• I've no time for all that wishy-washy muddled thinking!• Brown has been criticized for being wishy-washy on political reform.Origin wishy-washy (1600-1700) washy “thin, watery” ((16-20 centuries)), from wash 