underground

• يصف ما يوجد أو يعمل أو يقع تحت سطح الأرض؛ ويُستعمل أيضًا لوصف التيارات الثقافية أو الفنية الطليعية أو غير السائدة، أو ما هو سري وغير قانوني.

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.

   تحت الأرض

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

   المرادفاتbelowgroundburiedsubsurfacesubterranean

   الأضدادabovegroundsurface

2. Secret or covertB2formal

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

   سِرِّي

   • 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.

   المرادفاتclandestinecovertfurtivehiddensecretsub rosasurreptitiousundercover

   الأضدادopenovertpublic

• ظرف يعني «تحت سطح الأرض» أو «بطريقة سرية مستترة». يُستعمل للدلالة على الموقع المادي (مثل الأعمال الجبلية أو المترو) أو على السرية المجازية (مثل الحركات السرية).

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.

   تحت الأرض

   • 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.

   سِرًّا

   • 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.

   المرادفاتcovertlyfurtivelyin secretprivatelysecretlystealthilysub rosasurreptitiouslyundercover

   الأضدادopenlyovertlypublicly

• اسم يشير إلى معنيين رئيسيين: منظمة سرية تعمل على مقاومة السلطة الحاكمة أو الإطاحة بها، أو سكة حديدية كهربائية تسير في أنفاق تحت سطح الأرض في المدن.

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.

   المقاومة السرية

   • 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.

   المرادفاتmaquisresistance

2. Subway systemA2formalbritish

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

   مترو الأنفاق

   • 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.

   المرادفاتmetrosubwaytubeunderground railway