The difference between Metro and Underground

When used as nouns, metro means an underground railway, whereas underground means an underground railway.

When used as adjectives, metro means metropolitan, whereas underground means below the ground.


Underground is also adverb with the meaning: below the ground.

Underground is also verb with the meaning: to route electricity distribution cables underground.

check bellow for the other definitions of Metro and Underground

  1. Metro as a noun:

    An underground railway.

  2. Metro as a noun:

    A train that runs on such an underground railway.

  3. Metro as a noun:

    An urban rapid transit light railway

  4. Metro as a noun:

    A train that runs on such a railway.

  1. Metro as a noun:

    a metropolitan area

  1. Metro as an adjective:

    metropolitan

  1. Underground as an adjective (not comparable):

    Below the ground; below the surface of the Earth.

    Examples:

    "synonyms: subterranean"

    "There is an underground tunnel that takes you across the river."

  2. Underground as an adjective:

    Hidden, furtive, secretive.

    Examples:

    "synonyms: clandestine hiddhush-hush secret"

    "These criminals operate through an underground network."

  3. Underground as an adjective:

    Of music, art, etc, outside the mainstream.

    Examples:

    "synonyms: unconventional"

  1. Underground as an adverb:

    Below the ground.

    Examples:

    "synonyms: [[below]] [[ground]]"

    "The tunnel goes underground at this point."

  2. Underground as an adverb:

    Secretly.

    Examples:

    "synonyms: clandestinely in secret on the quiet"

  1. Underground as a noun (chiefly, British):

    An underground railway.

  2. Underground as a noun (with "the"):

    A movement or organisation of people who resist political convention.

  3. Underground as a noun (with "the"):

    A movement or organisation of people who resist artistic convention.

  1. Underground as a verb:

    To route electricity distribution cables underground