underground - Similar and Opposite Words

What is another word for underground ?

Here are the synonyms for underground , a list of similar words for underground from our thesaurus that you can use

Noun

an electric railway operating below the surface of the ground (usually in a city)

Synonyms

• metro
• subway
• subway system
• tube
• underground

More generic

• railroad
• railroad line
• railway
• railway line
• railway system

Noun

a secret group organized to overthrow a government or occupation force

Synonyms

• resistance
• underground

More generic

• revolutionary group

More specific

• Maquis

Adjective

conducted with or marked by hidden aims or methods

Synonyms

• clandestine
• cloak-and-dagger
• hole-and-corner
• hugger-mugger
• hush-hush
• secret
• surreptitious
• undercover
• underground

Related

• covert

Adjective

under the level of the ground

Synonyms

• belowground
• underground

Related

• subsurface

beneath the surface of the earth

Synonyms

• underground

in or into hiding or secret operation

Synonyms

• underground

SHABDKOSH Apps

Shabdkosh  Premium

Ad-free experience & much more

Learn More