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English definition of “under”

under

preposition (CONTROL)    /ˈʌn.dər/ US  /-dɚ/
controlled or governed by a particular person, organization, or force: He's a Colonel, with hundreds of soldiers under him (= obeying his orders). I wonder what Britain was like under the Romans (= during the time when the Romans controlled Britain). People born under (= during the period of) the star sign Pisces are supposed to be dreamy and artistic.Ruling and governing be under orders to have been ordered to do something: They're under strict orders not to discuss the situation. He's under doctor's orders (= has been told by a doctor) to cut down on fatty food and to drink no alcohol for at least six months.Giving orders and commands Grammar:UnderUnder is a preposition. When we use under as a preposition, it is similar to below. We use under to talk about something that is below or lower than something else:See more
(Definition of under preposition (CONTROL) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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