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Concave vs Faithless - What's the difference?

concave | faithless | Related terms |

Concave is a related term of faithless.


As adjectives the difference between concave and faithless

is that concave is curved like the inner surface of a sphere or bowl while faithless is lacking faith; lacking belief in something.

As a noun concave

is a surface or curve.

As a verb concave

is to render , or increase the degree of concavity.

concave

English

Adjective

(en adjective)
  • curved like the inner surface of a sphere or bowl
  • (geometry, not comparable, of a polygon) not convex; having at least one internal angle greater than 180 degrees..
  • (functional analysis, not comparable, of a real-valued function on the reals) satisfying the property that all segments connecting two points on the function's graph lie below the function.
  • hollow; empty
  • * Shakespeare
    • as concave as a worm-eaten nut

    Antonyms

    * convex

    Derived terms

    * concavely * concaveness * concavity

    Noun

    (en noun)
  • A surface or curve.
  • The vault of the sky.
  • One of the celestial spheres of the Ptolemaic or geocentric model of the world.
    • Aristotle makes [Fire] to move to the concave of the Moon. - Thomas Salusbury (1661).
  • (industry) An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.
  • (surfing) An indentation running along the base of a surfboard, intended to increase lift.
  • (skateboarding) An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength.

    • Verb

    (concav)
  • To render , or increase the degree of concavity.

    • Derived terms

    * concaver ----

    faithless

    English

    Adjective

    (en adjective)
  • Lacking faith; lacking belief in something.
  • * 1970 , Margaret Wade Campbell Deland, Old Chester Days , p. 58:
    • "You're so faithless about pills," he said, "that I'm not going to give you any."
  • Not believing in God, religion, or a comparable ideology.
  • Unfaithful; not of true fidelity; inconstant, as a husband or a wife.
  • * 1996 , Frederick Ahl, Hanna Roisman, The Odyssey re-formed , p. 283:
    • Menelaus, who fought to recover his faithless wife, has clearly rooted himself in Sparta for the remainder of his life...
  • Not observant of promises or covenants.
  • Not true to allegiance, duty, or vows; perfidious; treacherous; disloyal.
  • Serving to disappoint or deceive; delusive; unsatisfying.

    • Derived terms

    * faithless elector * faithlessly * faithlessness

    Anagrams

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