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Warn vs Undefined - What's the difference?

warn | undefined |

As a verb warn

is to make (someone) aware of impending danger etc or warn can be (label) to refuse, deny (someone something).

As an adjective undefined is

lacking a definition or value.

warn

English

Etymology 1

(etyl) warnian, from (etyl) . Cognate with German warnen, Dutch waarnen.

Verb

(en verb)
  • To make (someone) aware of impending danger etc.
    • We waved a flag to warn the oncoming traffic.
  • To caution (someone) against unwise or unacceptable behaviour.
    • He was warned against crossing the railway tracks at night.
    Don't let me catch you running in the corridor again, I warn you.
  • To notify (someone) of something untoward.
    • I phoned to warn him of the rail strike.
  • To give warning.
  • * 1526 , William Tyndale, tr. Bible , Galatians II, 9-10:
    • then Iames Cephas and Iohn [...] agreed with vs that we shuld preache amonge the Hethen and they amonge the Iewes: warnynge only that we shulde remember the poore.
  • * 1973 , Thomas Pynchon, Gravity's Rainbow , Penguin 1995, p. 177:
    • She is his deepest innocence in spaces of bough and hay before wishes were given a different name to warn that they might not come true [...].
  • * 1988 , Salman Rushdie, The Satanic Verses , Picador 2000, p. 496:
    • She warned that he was seriously thinking of withdrawing his offer to part the waters, ‘so that all you'll get at the Arabian Sea is a saltwater bath [...]’.
  • * 1991 , Clive James, ‘Making Programmes the World Wants’, The Dreaming Swimmer , Jonathan Cape 1992:
    • Every country has its resident experts who warn that imported television will destroy the national consciousness and replace it with Dallas'', ''The Waltons'', ''Star Trek'' and ''Twin Peaks .
    Usage notes
    * The intransitive sense is considered colloquial by some, and is explicitly proscribed by, for example, the Daily Telegraph style guide (which prefers give warning).
    Derived terms
    * warner * warning * warn off

    Etymology 2

    From a combination of (etyl) wiernan (from (etyl) ; compare Swedish varna).

    Verb

    (en verb)
  • (label) To refuse, deny (someone something).
  • *:
  • *:And yf thou warne' her loue she shalle goo dye anone yf thou haue no pyte on her / that sygnefyeth the grete byrd / the whiche shalle make the to ' warne her

    • Anagrams

    * English reporting verbs

    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