1. ergative phrasal verb & phrasal verb If something dries up or if something dries it up, it loses all its moisture and becomes completely dry and shrivelled or hard. [V P] ⇒ As the day goes on, the pollen dries up and becomes hard. [V P n] ⇒ Warm breezes from the South dried up the streets. [Also V n P] dried-up
adjective ⇒ ...a tuft or two of dried-up grass. 2. phrasal verb If a river, lake, or well dries up, it becomes empty of water, usually because of hot weather and a lack of rain. [V P] ⇒ Reservoirs are drying up and farmers have begun to leave their land. [V P] ⇒ The fountain is reputed never to dry up. dried-up
adjective ⇒ ...a dried-up river bed. 3. phrasal verb
If a supply of something dries up, it stops. [V P] ⇒ Investment could dry up and that could cause the economy to falter. [V P] ⇒ Credit from foreign banks is drying up. [V P] ⇒ The company laid off 65,000 workers after commercial-jet orders dried up.
4. phrasal verb → dry If you dry up when you are speaking, you stop in the middle of what you were saying, because you cannot think what to say next. [V P] ⇒ If you ask her what she's good at she will dry up after two minutes.
COBUILD Advanced English Dictionary. Copyright © Harper Collins Publishers