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Forehead vs Undefined - What's the difference?

forehead | undefined |

As a noun forehead

is the part of the face above the eyebrows and below the hairline.

As an adjective undefined is

lacking a definition or value.

forehead

English

Noun

(en noun)
  • The part of the face above the eyebrows and below the hairline.
  • *1865 , (Lewis Carroll), (w, Alice's Adventures in Wonderland) , Macmillan
  • *:'This question the Dodo could not answer without a great deal of thought, and it sat for a long time with one finger pressed upon its forehead (the position in which you usually see Shakespeare, in the pictures of him), while the rest waited in silence. At last the Dodo said, ‘everybody has won, and all must have prizes.’'
  • *
  • *:Serene, smiling, enigmatic, she faced him with no fear whatever showing in her dark eyes.She put back a truant curl from her forehead where it had sought egress to the world, and looked him full in the face now, drawing a deep breath which caused the round of her bosom to lift the lace at her throat.
  • *{{quote-book, year=1963, author=(Margery Allingham), title=(The China Governess)
  • , chapter=17 citation , passage=The face which emerged was not reassuring. It was blunt and grey, the nose springing thick and flat from high on the frontal bone of the forehead , whilst his eyes were narrow slits of dark in a tight bandage of tissue.

    Synonyms

    * brow

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
  • The result of division by zero is undefined .

    Antonyms

    * defined