secret; secrecy; mystery; secret (e.g. to success); esoteric teachings
close adhesion; sticking firmly (to); relating closely (to); having relevance (to); contact printing
secret; private; surreptitious
strict; close; precise; scrupulous
crowding together; clustering together; close formation; swarm
precise; exact; detailed; accurate; minute; close
dense; thick; close (relationship); intimate; minute; fine
close (relationship, connection, etc.); intimate; near; being in close proximity; being adjacent
dense; thick; rich (flavour, colour, etc.); deep; strong (smell); heavy
secrecy; highly classified information
secret; clandestine; covert; spy (for a daimyo, shogun, etc.); secret agent
(in) secrecy; behind closed doors
privacy; secrecy; confidentiality
rigour; rigor; closeness; compactness; tightly knit
fine (grain, workmanship, etc.); close (weave); delicate; precise; accurate; careful
minute; detailed; careful; scrupulous; thorough
spy; secret agent; spying
smuggling; contraband trade
secret base; hideout; hidden position
shutting tightly; making airtight; sealing hermetically
private talk; confidential talk; secret talk
anonymous report; (secret) information; tip-off; informing (against)
secret meeting; clandestine meeting
close thicket; dense forest; jungle; Amazon (online retailer)
quiet; still; surreptitious
covert action; covert operations
illicit sale; smuggling; bootlegging; trafficking
company secret; industrial secret; trade secret
thorough checkup; complete examination; complete physical; detailed testing
state secrets; secrets of the state
confidentially; privately; off the record
stowing away; smuggling oneself; clandestine travel abroad
overcrowding; congestion; overpopulation; crammed (schedule); congested; busy
sealing hermetically; sealing (up)
precision instrument or machine
growing thickly; growing densely
classified document; confidential document
smuggling oneself into a country; illegal immigration
precision equipment; delicate equipment
illicit manufacturing; illicit distilling; moonshining
close coverage (of an event, celebrity, etc.); close reporting; total coverage
locked-room murder (e.g. in murder mystery fiction)
Act on the Protection of Specially Designated Secrets; Secret Information Protection Act
esoteric Buddhism; Tantric Buddhism; Vajrayana; secret Buddhist teachings; Mikkyō
poaching (fish or seafood)
informer; informant; betrayer; snitch
to betray a secret; to reveal a secret
specially designated secret
adultery; illicit intercourse; secret communication (e.g. with the enemy)
detailed knowledge; finely detailed
three Cs; three conditions that facilitate the transmission of infectious diseases (closed spaces, crowds, and close contact); three mysteries (Buddha's body, speech and mind)
smuggling in; importing through illegal channels
(in) secrecy; behind closed doors
secretive; mysterious; furtive; stealthy; clandestine; sneaky
secret meeting; secret conference
confidentiality; nondisclosure
smuggler; bootlegger; illicit dealer; trafficker
classified document; confidential document; top secret document; sensitive documents
community-based; local-based
illicitly brewed liquor; moonshine
Privy Council (abolished in 1947)
drug trafficking; dealing in illegal drugs
dense; populous; crowded; thick
leak of official secrets; leaking of confidential information
private funeral; secret burial
sealed-type; enclosed; hermetic; closed; closed-back (headphones)
smuggling vessel; vessel used for smuggling; smuggler
privacy of communications
miniature (painting, portrait, etc.)
Cabinet Secretariat classified fund; secret Cabinet expenses
secret order of the Emperor; confidential imperial command
smuggling oneself out of a country
tip-off; informing secretly; reporting secretly
non-disclosure agreement; NDA
confidential document; confidential paper; classified document
leak of official secrets; leaking of confidential information
three Cs; three conditions that facilitate the transmission of infectious diseases (closed spaces, crowds, and close contact); three mysteries (Buddha's body, speech and mind)
scrupulous; careful; meticulous
feeling of affinity; friendship
prowling (without being noticed); patrolling in plain clothes; traveling in secret
three Cs; three conditions that facilitate the transmission of infectious diseases (closed spaces, crowds, and close contact)
security (e.g. data, password, etc.)
precision machining; precision cutting
talking in whispers; confidential words
lover (of a married woman)
secret meeting; secret conference; closed-door session
minute; detailed; elaborate
three Cs; three conditions that facilitate the transmission of infectious diseases (closed spaces, crowds, and close contact)
private key (cryptography); secret key
smuggled goods; contraband
good airtightness; high airtightness
leaking of a secret; leakage of a secret
secret vote; secret ballot
detailed drawing or picture
non-disclosure agreement; NDA
close coverage reportage; close reporting
coarseness and fineness; sparse or dense (growth)
secret; private matter; secret love affair; liaison
coarseness and fineness; sparse or dense (growth)
compressional wave; longitudinal wave; dilatational wave; wave of condensation and rarefaction
probability density function
secret; private matter; secret love affair; liaison
illicit traffic; contraband
extremely complete (thorough, careful) and detailed
stopping tightly; sealing hermetically
esoteric Buddhism of the Japanese Shingon sect
going into a huddle (over); holding secret (closed-door) conference (about); laying heads together in secret consultation
person who socializes with gangsters; close associate of an organized criminal group
recording audio without consent; secret recording
privacy of correspondence
Hami melon (Cucumis melo var. inodorus); Chinese Hami melon; snow melon
ultra-precision machining; ultra-precision cutting
detailed and careful; scrupulous; meticulous; elaborate
German chamomile (Matricaria recutita); German camomile
low-density lipoprotein; LDL
precision machinery industry
tantrism; esoteric Buddhism; Shingon sect
German chamomile (Matricaria recutita); German camomile
(crime of) revealing a secret; breach of confidence
(crime of) revealing state secrets; charge of revealing national security information
secret key cryptography; symmetric key cryptography
dense; populous; crowded; thick
secret military camp (Korea); guerrilla camp
private key (cryptography); secret key
low-density lipoprotein; LDL
esoteric Buddhism of the Japanese Tendai sect
consolidation yield stress
fine chemical (high precision chemicals, typically used in pharmaceutical products)
oil tight (seal, joint, etc.)
secret will and testament; sealed envelope will
Yalta Agreement (secret American-British-Soviet agreement wherein the Soviets agreed to attack Japan; February 11, 1945)
data density; packing density (deprecated in this sense)
traffic flow confidentiality
bit density; recording density
message flow confidentiality
bit density; recording density; packing density
close classification system; depth classification system
physical recording density
the crime of revealing a secret; breach of confidence
(optics) radiance; sterance; radiant sterance
cubic close packing; cubic closest packing
low-density lipoprotein; LDL
compact star; compact object
confidential report to the ruler of the country of astronomical events and their astrological interpretation
local density approximation; LDA
violence behind closed doors; domestic violence
cubic close-packed structure
mitsuda-e; litharge painting; oil painting with litharge as a desiccant; painting with a glue and pigment mixture, coated with litharge oil for luster
secure computation; secure computing
contact print; contact sheet
(prisoner's) right of private access to a lawyer
precision fermentation (use of microbial hosts, such as bacteria and yeast, to produce specific biomolecules)
strategies cannot succeed unless they are kept secret
stealth; stealthiness; concealment
high-density polyethylene; HDPE
parasite smuggling (attaching drug-filled containers to the hulls of cargo ships to covertly transport them across international borders)
locked room trick (esp. in mystery fiction); closed room trick
(in) secrecy; behind closed doors
(in) secrecy; behind closed doors
stinking chamomile (Anthemis cotula)