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tight·lippedalso tight-lipped (tīt′lĭpt′)
1. Having the lips pressed together: a tightlipped smile.
2. Reluctant to speak; close-mouthed. See Synonyms at laconic.
3. Characterized by restraint or reserve in expression: The politician gave tightlipped responses to questions about the incident.
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|Adj.||1.||tightlipped - inclined to secrecy or reticence about divulging information; "although they knew her whereabouts her friends kept close about it"|