unsaid

(verb) take back what one has said. Synonyms: swallow, take back, unsay, withdraw. Example: "He swallowed his words."

(adj) not made explicit. Synonyms: unexpressed, unstated, unuttered, unverbalized, unverbalised, unvoiced, unspoken. Examples: "The unexpressed terms of the agreement." "Things left unsaid." "Some kind of unspoken agreement." "His action is clear but his reason remains unstated."