| undersurface |
an underside. |
| undertake |
to take on (a task, project, challenge or the like); decide or start to do. [2 definitions] |
| undertaker |
one who undertakes something. [2 definitions] |
| undertaking |
the act of one who undertakes. [3 definitions] |
| under the circumstances |
given the facts as they are. |
| under-the-counter |
secret or illegal, as sales or payments; under-the-table. |
| under the counter |
secretively, esp. in order to evade the law. |
| under the hammer |
offered for sale at public auction. |
| under the lee |
the quarter toward which the sea wind is blowing; to leeward. |
| under the sun |
in existence; in the world; on earth. |
| under-the-table |
of a transaction, done secretly and usu. illegally; under-the-counter. |
| under the weather |
(informal) somewhat ill or in low spirits. |
| underthings |
underclothes. |
| undertone |
a low or subdued sound, esp. of the voice. [3 definitions] |
| undertow |
a strong current or backwash of water moving in the opposite direction from the water on the surface, as beneath waves breaking on a shore. |
| under tow |
being moved along by towing. |
| underuse |
to use too little of or too infrequently. [2 definitions] |
| undervalue |
to place too low a valuation on; underestimate. [2 definitions] |
| underwater |
located, occurring, done, or intended for use below the surface of a body of water. [2 definitions] |
| under way |
making progress; moving ahead; advancing. [2 definitions] |
| underwear |
a garment or garments worn next to the skin under other clothing; underclothes. |