Milk-and-water

Full definition of milk-and-water

Noun

1. (obsolete) A light bluish colour. 16th c.
2. Something insipid or mawkish. from 18th c.

Adjective

1. Insipid, wishy-washy, weak. from 18th c.
• 1977, John Le Carré, The Honourable Schoolboy, Folio Society 2010, p. 166:He gave other equally milk-and-water examples and everyone grew sleepy, waiting for the last lap: ‘Our policy has been exactly the same each time.’