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spread over (someone or something)
1. To move across and cover someone or something. Dark clouds spread over the sky and blotted out the sun. A nasty-looking looking rash has started spreading over his back.
2. To distribute something across or cause something to cover someone or something. In this usage, a noun or pronoun is used between "spread" and "over." She spread the blanket over the sleeping child. We'll need to spread weed killer over the entire field.
3. Of a condition or state, to envelop or engulf someone or something. Fear spread over the land after the tyrannical dictator seized control. Panic began spreading over me as I remembered that my test was in a few short hours.
4. To cause some condition or state to envelop or engulf someone or something. In this usage, a noun or pronoun is used between "spread" and "over." The war has spread violence and famine over the entire region. It's all part of their plan to spread distrust and paranoia over the country.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
spread something over someone or something
to cause something to cover or be distributed over someone or something. The cloud spread its shadow over everyone at the picnic. We spread fertilizer over the prepared ground. He spread the work over a few weeks.
spread over someone or something
[for something] to cover someone or something gradually. The shade slowly spread over the picnickers. Dusk spread its final shadows over the land.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.