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Bound vs Required - What's the difference?

bound | required | Synonyms |

As verbs the difference between bound and required

is that bound is past tense of bind while required is past tense of require.

As an adjective bound

is obliged (to).

As a noun bound

is a boundary, the border which one must cross in order to enter or leave a territory.

bound

English

Alternative forms

* bownd (archaic)

Etymology 1

See bind

Verb

(head)
  • (bind)
  • * {{quote-book, year=1905, author=
  • , title= , chapter=1 citation , passage=“[…] Captain Markam had been found lying half-insensible, gagged and bound , on the floor of the sitting-room, his hands and feet tightly pinioned, and a woollen comforter wound closely round his mouth and neck?; whilst Mrs. Markham's jewel-case, containing valuable jewellery and the secret plans of Port Arthur, had disappeared. […]”}}
    ''I bound the splint to my leg.
    ''I had bound the splint with duct tape.

    Adjective

    (-)
  • (with infinitive) Obliged (to).
  • * {{quote-book, year=1905, author=
  • , title= , chapter=5 citation , passage=Then I had a good think on the subject of the hocussing of Cigarette, and I was reluctantly bound to admit that once again the man in the corner had found the only possible solution to the mystery.}}
  • (with infinitive) Very likely (to).
  • * , chapter=5
  • , title= Mr. Pratt's Patients , passage=When you're well enough off so's you don't have to fret about anything but your heft or your diseases you begin to get queer, I suppose. And the queerer the cure for those ailings the bigger the attraction. A place like the Right Livers' Rest was bound to draw freaks, same as molasses draws flies.}}
  • (linguistics, of a morpheme) That cannot stand alone as a free word.
  • (mathematics, logic, of a variable) Constrained by a quantifier.
  • (dated) constipated; costive
  • Antonyms
    * free
    Derived terms
    * bound to * I'll be bound

    Etymology 2

    From (etyl) bounde, from (etyl) bunne, from

    Noun

    (en noun)
  • (often, used in plural) A boundary, the border which one must cross in order to enter or leave a territory.
  • I reached the northern bound of my property, took a deep breath and walked on.
    Somewhere within these bounds you may find a buried treasure.
  • (mathematics) a value which is known to be greater or smaller than a given set of values
  • Derived terms
    * boundary * boundless * harmonic bounding * least upper bound * lower bound * metes and bounds * out of bounds * upper bound * within bounds

    Verb

    (en verb)
  • To surround a territory or other geographical entity.
  • ''France, Portugal, Gibraltar and Andorra bound Spain.
    ''Kansas is bounded by Nebraska on the north, Missouri on the east, Oklahoma on the south and Colorado on the west.
  • (mathematics) To be the boundary of.
  • Derived terms
    * unbound * unbounded

    Etymology 3

    From (etyl) .

    Noun

    (en noun)
  • A sizeable jump, great leap.
  • ''The deer crossed the stream in a single bound .
  • A spring from one foot to the other in dancing.
  • (dated) A bounce; a rebound.
  • the bound of a ball
    (Johnson)
    Derived terms
    * by leaps and bounds

    Verb

    (en verb)
  • To leap, move by jumping.
  • ''The rabbit bounded down the lane.
  • To cause to leap.
  • to bound a horse
    (Shakespeare)
  • (dated) To rebound; to bounce.
  • a rubber ball bounds on the floor
  • (dated) To cause to rebound; to throw so that it will rebound; to bounce.
  • to bound a ball on the floor
    Derived terms
    * rebound

    Etymology 4

    Alteration of boun , with -d partly for euphonic effect and partly by association with Etymology 1, above.

    Adjective

    (en adjective)
  • (obsolete) ready, prepared.
  • ready, able to start or go (to); moving in the direction (of).
  • ''Which way are you bound ?
    ''Is that message bound for me?
    Derived terms
    * -bound * bound for

    required

    English

    Verb

    (head)
  • (require)

  • require

    English

    Verb

    (requir)
  • (label) To ask (someone) for something; to request.
  • *, Bk.XI:
  • *:I requyre yow lete vs be sworne to gyders that neuer none of vs shalle after this day haue adoo with other, and there with alle syre Tristram and sire Lamorak sware that neuer none of hem shold fyghte ageynst other nor for wele, nor for woo.
  • *1526 , Bible , tr. William Tyndale, Mark V:
  • *:I requyre the in the name of god, that thou torment me nott.
  • To demand, to insist upon (having); to call for authoritatively.
  • *1998 , Joan Wolf, The Gamble , Warner Books:
  • *:"I am Miss Newbury," I announced, "and I require to be shown to my room immediately, if you please."
  • *2009 , Vikram Dodd, The Guardian , 29 December:
  • *:‘Regrettably, I have concluded, after considering the matter over Christmas, that I can no longer maintain the high standard of service I require of myself, meet the demands of office and cope with the pressures of public life, without my health deteriorating further.’
  • Naturally to demand (something) as indispensable; to need, to call for as necessary.
  • *1972 , "Aid for Aching Heads", Time , 5 June:
  • *:Chronic pain is occasionally a sign of a very serious problem, like brain tumors, and can require surgery.
  • *2009 , Julian Borger, The Guardian , 7 February:
  • *:A weapon small enough to put on a missile would require uranium enriched to more than 90% U-235.
  • To demand of (someone) to do something.
  • *1970 , "Compulsory Midi", Time , 29 June:
  • *:After Aug 3 all salesgirls will be required to wear only one style of skirt while on duty: the midi.
  • *2007 , Allegra Stratton, "Smith to ban non-EU unskilled immigrants from working in UK", The Guardian , 5 December:
  • *:The government would like to require non-British fiances who wish to marry a British citizen to sit an English test.