Undergrounded

Synonyms for "undergrounded" (362 found)

Ranked by relevance and common usage.

Closest matches (73)

hidden metro resistance subterranean subway tube abstruse agreement to disagree alienated alienation alternative amtrak antiestablishment apostasy at odds at odds with at rest at variance at variance with avant garde

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Noun(3 words)

resistance subway avant-garde

Adjective(9 words)

abstruse alternative backroom behind the scenes catlike clandestine cloak-and-dagger concealed confidential

Adverb(2 words)

below ground clandestinely

Adjective(3 words)

belowground clandestine cloak-and-dagger

Strong matches (108)

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Noun(1 words)

counterculture

Adjective(15 words)

covered covert dark deep-laid dern disguised furtive hidden huggermugger hush-hush hypogean incognito inconspicuous invisible latent

Adjective(3 words)

hole-and-corner hugger-mugger hush-hush

Adverb(1 words)

in secret

Related words (181)

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obscure obscured occult opposing opposition parliamentary parliamentary train partisan passenger train private privy quiet rack railway rack-and-pinion railroad rack-and-pinion railway radical rail rail line railroad railroad train railway rattler recondite recusance recusancy recusant rejection repudiation resistance fighter resting in peace revolutionary roadbed roadway rolling stock saboteur schismatical secession secluded secluse secret secret exit secret passage secret staircase secretly sectarian sectary security risk sequestered shifty shuttle shuttle train side door sidetrack siding skulking slinking slinky sly sneaking sneaky sotto voce special stealthy streamliner street railway streetcar line sub rosa subterraneous subversive subversives sunken surreptitious switchback terminal terminus track train tram tramline trestle trojan horse trolley line trunk trunk line turnout unconventional under an eclipse under cover under house arrest under the breath under the rose under wraps under-the-counter under-the-table undercover underfoot underground fighter underground railroad underground railway underground route underhand underhanded unknown unobtrusive variance vc vietcong way train with bated breath withdrawal wrapped in clouds

Proper Noun(2 words)

london underground tube

Adjective(39 words)

low profile lurksome lurky mousy obfuscated obfuscatory obscure obscured occluded occulted off-the-books on the down-low on the sly private recondite secluded secret secreted secretive silent

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slinky sly sneaky snug stealth stealthy sub rosa subterranean surreptitious tect unapparent unconventional under the radar under wraps under-the-table undercover undisclosed unperceived veiled

Noun(5 words)

metro mrt subway system tube underground railway

Adverb(1 words)

on the quiet

Adjective(3 words)

secret surreptitious undercover

Related word relations

OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.

1 relation types

form of

1 entries

underground

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.