noun / adjective
milquetoast
MILK-tohst/ˈmɪlkˌtoʊst/
Lacking confidence or forcefulness, or a person who is this way.
He is such a milquetoast that he never voices objections.

Etymology
Milk-softened toast already suggested softness figuratively. The timid cartoon character Caspar Milquetoast, whose name appears to evoke that dish, gave his name to a meek or easily dominated person.
More examples
- The committee's milquetoast response does little to address our concerns.
- She refuses to be a milquetoast and asks for a raise.
- The coach wants assertive players, not milquetoasts.
Forms
milquetoast · milquetoasts