un·der·ground
(ndr-ground)
adj.
1. Situated, occurring, or operating below the surface of the earth: underground caverns; underground missile sites.
2.
a. Hidden or concealed; clandestine: underground resistance to the tyrant.
b. Of or relating to an organization involved in secret or illegal activity: underground trade in weapons.
3. Of or relating to an avant-garde movement or its films, publications, and art, usually privately produced and of special appeal and often concerned with social or artistic experiment.
n.
1. A clandestine, often nationalist, organization fostering or planning hostile activities against, or the overthrow of, a government in power, such as an occupying military government: "an underground of dissident intellectuals" Kenneth L. Woodward.
2. Chiefly British A subway system.
3. An avant-garde movement or publication.
adv. (ndr-ground)
1. Below the surface of the earth.
2. In secret; stealthily.
tr.v. un·der·ground·ed, un·der·ground·ing, un·der·grounds
To situate under the ground: workers undergrounding telephone lines.
age
(j)
n.
1. The length of time that one has existed; duration of life: 23 years of age.
2. The time of life when a person becomes qualified to assume certain civil and personal rights and responsibilities, usually at 18 or 21 years; legal age: under age; of age.
3. One of the stages of life: the age of adolescence; at an awkward age.
4. The state of being old; old age: hair white with age.
5. often Age
a. A period in the history of humankind marked by a distinctive characteristic or achievement: the Stone Age; the computer age.
b. A period in the history of the earth, usually shorter than an epoch: the Ice Age.
c. A period of time marked by the presence or influence of a dominant figure: the Elizabethan Age. See Synonyms at period.
6.
a. The period of history during which a person lives: a product of his age.
b. A generation: ages yet unborn.
7. ages Informal An extended period of time: left ages ago.
bond·age
(bndj)
n.
1. The state of one who is bound as a slave or serf.
2. A state of subjection to a force, power, or influence.
3. The practice of being physically restrained, as with cords or handcuffs, as a means of attaining sexual gratification.
4. Villeinage.
Undergroundage (Underground Age) (n)
A period in the history of humankind marked by the distinctive manner in which the global population was bound to society and existence under the earth.