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Abstain vs Undefined - What's the difference?

abstain | undefined |

As a verb abstain

is (transitive|reflexive|obsolete) keep or withhold oneself .

As an adjective undefined is

lacking a definition or value.

abstain

English

Verb

(en verb)
  • (transitive, reflexive, obsolete) Keep or withhold oneself.
  • Refrain from (something); hold one's self aloof; to forbear or keep from doing, especially an indulgence of the passions or appetites.
  • * Who abstains from meat that is not gaunt? - Shakespeare, Richard II, II-i
  • (obsolete) Fast.
  • Deliberately refrain from casting one's vote at a meeting where one is present.
  • * Not a few abstained from voting. -
  • (obsolete) Hinder; keep back; withhold.
  • * Whether he abstain men from marying [sic]. -

    • Usage notes

    * (keep or withhold oneself) Followed by the word from' or ' of . * (refrain from something) Followed by the word from .

    Synonyms

    * deny oneself * forbear * forgo * give up * refrain * relinquish * withhold

    Derived terms

    * abstention

    Related terms

    * abstinence

    References

    Anagrams

    *

    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