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be flat on one's back

back
B b

Transcription

    • US Pronunciation
    • US IPA
    • [bak]
    • /bi flæt ɒn, ɔn wʌnz bæk/
    • US Pronunciation
    • US IPA
    • [bak]
    • /bi flæt ɒn, ɔn wʌnz bæk/

Definitions of be flat on one's back words

  • noun be flat on one's back the rear part of the human body, extending from the neck to the lower end of the spine. 1
  • noun be flat on one's back the part of the body of animals corresponding to the human back. 1
  • noun be flat on one's back the rear portion of any part of the body: the back of the head. 1
  • noun be flat on one's back the whole body, with reference to clothing: the clothes on his back. 1
  • noun be flat on one's back ability for labor; effort; endurance: He put his back into the task. 1
  • noun be flat on one's back the part opposite to or farthest from the front; the rear part: the back of a hall. 1

Information block about the term

Origin of be flat on one's back

First appearance:

before 1000
One of the 6% oldest English words
before 1000; Middle English bak, Old English bæc back of the body; cognate with Old Frisian bek, Old Saxon, Old Norse bak; perhaps < Indo-European *bhogo- bending; cf. bacon

Historical Comparancy

Parts of speech for Be flat on one's back

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation

be flat on one's back popularity

A common word. It’s meaning is known to most children of preschool age. About 100% of English native speakers know the meaning and use the word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

See also

Matching words

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