underground

• Qualifie ce qui se trouve, se passe ou se développe sous la surface de la terre ; désigne aussi des courants culturels, artistiques ou politiques marginaux, alternatifs ou clandestins.

Describes something that exists, operates, or is situated beneath the surface of the ground; also used to describe subcultural, avant-garde, or non-mainstream movements.

1. Beneath the earth's surfaceA2formal

   Located, occurring, or operating below the ground level.

   souterrain

   • The underground railway system is very efficient in this city.
   • They built an underground bunker for safety.
   • The pipes run through an underground tunnel.

   Synonymesbelowgroundburiedsubsurfacesubterranean

   Antonymesabovegroundsurface

2. Secret or covertB2formal

   Conducted in a hidden or secretive manner, often outside official or mainstream channels.

   clandestin

   • The group operated an underground network to help refugees.
   • He was part of an underground resistance movement during the war.
   • The magazine was distributed through underground channels.

   Synonymesclandestinecovertfurtivehiddensecretsub rosasurreptitiousundercover

   Antonymesopenovertpublic

• Adverbe signifiant « sous la surface de la terre » ou « de manière cachée, secrète ». Peut se référer à un lieu physique (par exemple, travaux miniers, métro) ou à une confidentialité métaphorique (par exemple, mouvements clandestins).

An adverb meaning "beneath the surface of the ground" or "in a hidden or secret manner." It can refer to physical location (e.g., mining, subway) or metaphorical secrecy (e.g., underground movements).

1. Beneath the earth's surfaceA2formal

   Located or moving below the ground level.

   sous terre

   • The miners worked underground for hours.
   • Pipes are laid underground to carry water.
   • The subway runs underground through the city center.

2. In secret or hidingB2informal

   Operating or existing in a concealed or clandestine manner, often to avoid detection or authority.

   en secret / clandestinement

   • The rebels were forced to go underground after the crackdown.
   • The organization operates underground to avoid government surveillance.
   • He lived underground for years to escape persecution.

   Synonymescovertlyfurtivelyin secretprivatelysecretlystealthilysub rosasurreptitiouslyundercover

   Antonymesopenlyovertlypublicly

• Nom désignant d'une part une organisation secrète qui lutte contre le pouvoir en place, et d'autre part un chemin de fer électrique urbain souterrain.

A noun with two primary meanings: a secret organization working to resist or overthrow a ruling power, or an urban electric railway system that runs beneath the ground.

1. Secret resistance movementB2formal

   A covert group organized to oppose or overthrow a government or occupying force.

   mouvement clandestin de résistance

   • The underground operated in the shadows to sabotage the regime.
   • Members of the underground distributed pamphlets calling for freedom.
   • He joined the underground to fight against the occupation.

   Synonymesmaquisresistance

2. Subway systemA2formalbritish

   An electric railway that runs beneath the surface of the ground, typically in a city.

   Métro

   • We took the underground to get to the city center.
   • The London underground is one of the oldest in the world.
   • She uses the underground every day to commute to work.

   Synonymesmetrosubwaytubeunderground railway