| build a fire under |
(informal) to urge to action, speed, or the like. |
| down under |
(informal) Australia or New Zealand. |
| fall under |
to be the concern of. [2 definitions] |
| go under |
to completely fail as a business. |
| hot under the collar |
(informal) very angry or upset. |
| keep under wraps |
to keep secret or hidden. |
| knuckle under |
to give in under pressure; yield. |
| under cover |
hidden or covert; in secrecy. |
| under no circumstances |
in no instance; never. |
| under oath |
bound by oath to tell the truth or fulfill a promise. |
| under one's belt |
made part of one's permanent knowledge or experience; mastered; completed. |
| under one's thumb |
controlled or heavily influenced by someone. |
| under one's wing |
under one's care or protection. |
| under sail |
with the sails set to catch the wind's force; driven by the wind. |
| under the circumstances |
given the facts as they are. |
| 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 weather |
(informal) somewhat ill or in low spirits. |