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unphysical

unphysical

1 9.9
Impossible according to the laws of physics
  • adjective
  • /ʌnˈfɪzɪkəl/
  • Specialized
translation icon : no físico
  • When analyzing the proposed motion of the object, it became clear that the scenario was unphysical and violated the principles of inertia.

And very often there's a unphysical or highly unlikely transition in that chain, right?

Examples

  • The scientist concluded that the proposed dimensions of the universe were unphysical and unrealistic within our current understanding of physics.

  • I am saying that the experiment is unphysical and cannot be used as proof.

    Blog text (18)
  • The ideal non-emitting atmosphere sounds unphysical.

    Blog text (18)
  • The hypothesis is based on unphysical arguments of positive feedback, which leads to claims of amplification of temperature changes.

    Blog text (23)
  • In the physical world, though, you don't have infinite forces at your disposal, so your scenario is unphysical.

    Blog text (20)
  • You made up an unphysical scenario and observed that Newton's laws don't describe it.

    Blog text (20)
  • The first is that many of the intensities so computed are negative—an unphysical result.

    Academic text (2002)
  • In theoretical physics, an unphysical model often leads to incorrect predictions and should be discarded.

Synonyms

nonphysical
vsunphysical
1 7.0

Not having a body you can touch or see

is impossible under scientific laws rather than merely lacking touchable substance
nonmaterial
vsunphysical
1 7.7

Has no physical form and is about ideas or feelings

is impossible under scientific laws rather than simply lacking matter

Antonyms

95 3.4

About the science that studies matter, energy, and motion

Surface Forms

unphysical positive

Morphology

unphysical = physical (transparent) = un + physical

A straightforward negation formed by the productive prefix 'un-' attached to the adjective 'physical'.

Etymology

Unphysical is built from un- ('not') and physical, which comes from physics meaning the laws of nature. So unphysical means 'not following the rules of physics', something impossible in the real, material world.