Synonyms
Antonyms
Etymology

1. underground

adjective. ['ˈʌndɝˌgraʊnd'] under the level of the ground.

Synonyms

  • belowground

Antonyms

  • surface
  • unconcealed

Etymology

  • ground (English)
  • grund (Old English (ca. 450-1100))
  • under (English)
  • under (Old English (ca. 450-1100))

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Words that Rhyme with Underground Railway

2. underground

noun. ['ˈʌndɝˌgraʊnd'] an electric railway operating below the surface of the ground (usually in a city).

Synonyms

  • metro
  • subway
  • railroad
  • railway line
  • railway
  • subway system
  • railway system
  • tube

Antonyms

  • significant
  • tidy
  • visible
  • explicit

Etymology

  • ground (English)
  • grund (Old English (ca. 450-1100))
  • under (English)
  • under (Old English (ca. 450-1100))

3. underground

adjective. ['ˈʌndɝˌgraʊnd'] conducted with or marked by hidden aims or methods.

Synonyms

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

Antonyms

  • exoteric
  • public
  • acknowledged
  • outward

Etymology

  • ground (English)
  • grund (Old English (ca. 450-1100))
  • under (English)
  • under (Old English (ca. 450-1100))

4. underground

noun. ['ˈʌndɝˌgraʊnd'] a secret group organized to overthrow a government or occupation force.

Synonyms

  • revolutionary group
  • Maquis

Antonyms

  • cathode
  • anode
  • walk

Etymology

  • ground (English)
  • grund (Old English (ca. 450-1100))
  • under (English)
  • under (Old English (ca. 450-1100))

5. railway

noun. ['ˈreɪlˌweɪ'] a line of track providing a runway for wheels.

Synonyms

  • narrow gauge
  • siding
  • broad gauge
  • sidetrack
  • rail
  • gantlet
  • rail line
  • tie
  • turnout
  • railroad track
  • railroad siding
  • rails
  • railroad
  • crosstie
  • switch
  • runway
  • standard gauge
  • track
  • railway line
  • railroad tie
  • line

Antonyms

  • walk
  • ignoble
  • decreased
  • lowered

Etymology

  • rail (English)
  • hrægl (Old English (ca. 450-1100))
  • way (English)
  • weg (Old English (ca. 450-1100))

6. railway

noun. ['ˈreɪlˌweɪ'] line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight.

Synonyms

  • rail
  • elevated
  • overhead railway
  • elevated railroad
  • railway system
  • tube
  • rack railway
  • funicular railway
  • railroad line
  • cog railway
  • el
  • elevated railway
  • underground
  • railroad
  • scenic railway
  • subway system
  • monorail
  • funicular
  • metro
  • railway line
  • cable railway
  • line

Antonyms

  • anode
  • overt
  • overhead
  • surface

Etymology

  • rail (English)
  • hrægl (Old English (ca. 450-1100))
  • way (English)
  • weg (Old English (ca. 450-1100))
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