underground

¹un·der·ground

adv \ˌən-dər-ˈgrau̇nd\

Definition of UNDERGROUND

1

: beneath the surface of the earth

2

: in or into hiding or secret operation

Examples of UNDERGROUND

1. They had been living underground as fugitives.

First Known Use of UNDERGROUND

14th century

Rhymes with UNDERGROUND

aboveground, Afghan hound, all-around, battleground, been around, belowground, bottom round, breeding ground, bring around, cast around, common ground, decompound, dumping ground, end around, fool around, get around, go around, hang around, horse around, in the round, jerk around, kick around, mess around, middle ground, muscle-bound, Norton Sound, off the ground, on background, on the ground, outward-bound, paperbound, perfect-bound, proving ground, push around, quarter-bound, runaround, screw around, shootaround, sleep around, spiral-bound, staging ground, stand one's ground, steamship round, stick around, stomping ground, surround sound, turnaround, turn around, ultrasound, weather-bound, work-around, wraparound