close adhesion;  sticking firmly to;  relating closely to;  having relevance to;  contact printing
 crowding together;  clustering together;  close formation;  swarm
 close (relationship, connection, etc.);  intimate;  near;  close (together)
 anonymous report;  (secret) information;  tip-off;  informing (against)
 shutting tightly;  making airtight;  sealing hermetically
 smuggling (people);  stowing away
 locked-room murder (e.g. in murder mystery fiction)
 esoteric Buddhism;  Tantric Buddhism;  Vajrayana;  secret Buddhist teachings;  Mikkyō
 growing thickly;  growing densely
 hermetically seal;  sealing (e.g. envelope)
 close coverage (of an event, celebrity, etc.);  close reporting;  total coverage
 informer;  informant;  betrayer;  snitch
 adultery;  misconduct;  intrigue;  criminal connection
 community-based;  local-based
 encapsulated type;  closed type (e.g. headphones);  sealed type
 secret order of the Emperor;  confidential imperial command
 private funeral;  secret burial
 prowling about;  traveling in secret;  travelling in secret
 lover (of a married woman)
 close coverage reportage;  close reporting
 stopping tightly;  sealing hermetically
 violence behind closed doors;  domestic violence
 contact print;  contact sheet
 confidential report to the ruler of the country of astronomical events and their astrological interpretation