suppressed

adjectives

kept from public knowledge by various means;
antonym
is similar to
suppressed quietly or indirectly
is similar to
(used of information or news) kept secret by using influence
"hushed-up stories sometimes leak out"
is similar to
subdued or overcome
"the quelled rebellion"; "an uprising quenched almost before it started"; "a squelched rumor"
is similar to
not (or not yet) made available for distribution or publication
"someone leaked the unreleased announcement"; "a film that remained unreleased for years"
manifesting or subjected to suppression
"a suppressed press"
is similar to
reduced to silence
"the silenced crowd waited expectantly"
held in check with difficulty
"a smothered cough"; "a stifled yawn"; "a strangled scream"; "suppressed laughter"