pump

²pump

verb

Definition of PUMP

intransitive verb

1

: to work a pump : raise or move a fluid with a pump

2

: to exert oneself to pump or as if to pump something

3

: to move in a manner that resembles the action of a pump handle

transitive verb

1

a : to raise (as water) with a pump b : to draw fluid from with a pump

2

: to pour forth, deliver, or draw with or as if with a pump <pumped money into the economy> <pump new life into the classroom>

3

a : to question persistently <pumped him for the information> b : to elicit by persistent questioning

4

a : to operate by manipulating a lever b : to manipulate as if operating a pump handle <pumped my hand warmly> c : to cause to move with an action resembling that of a pump handle <a runner pumping her arms>

5

: to transport (as ions) against a concentration gradient by the expenditure of energy

6

a : to excite (as atoms or molecules) especially so as to cause emission of coherent monochromatic electromagnetic radiation (as in a laser) b : to energize (as a laser) by pumping

— pump iron

: to lift weights

Examples of PUMP

1. He pumped the water up from the bottom of the boat.
2. The machine suddenly stopped pumping.
3. We pumped the boat dry.
4. We had to pump the basement out.
5. Your heart pumps blood all over your body.
6. I could feel the blood pumping through my veins.
7. Blood pumped out of the cut.

First Known Use of PUMP

1508

Related to PUMP

Synonyms: bob, bobble, jog, jounce, nod, seesaw, wag

Antonyms: fill

Related Words: jerk, jiggle, shake, wiggle, wobble (also wabble); oscillate, rock, sway, swing, undulate; drop, duck

Near Antonyms: bathe, douse (also dowse), drench, soak, souse, wash, water, wet; deluge, drown, flood, inundate, overflow; submerge, swamp

see all synonyms and antonyms

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