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Robust vs Substantial - What's the difference?

robust | substantial |

As adjectives the difference between robust and substantial

is that robust is evincing strength; indicating vigorous health; strong; sinewy; muscular; vigorous; sound; as, a robust body; robust youth; robust health while substantial is having to substance; actually existing; real; as, substantial life.

As a noun substantial is

anything having substance; an essential part.

robust

English

Adjective

(er)
  • Evincing strength; indicating vigorous health; strong; sinewy; muscular; vigorous; sound; as, a robust body; robust youth; robust health.
    • He was a robust man of six feet four.
  • * Anthony Trollope (1815-1882)
    • She was stronger, larger, more robust physically than he had hitherto conceived.
  • Violent; rough; rude.
  • * {{quote-news
    • , year=2011 , date=October 1 , author=Phil McNulty , title=Everton 0 - 2 Liverpool , work=BBC Sport citation , page= , passage=As a frenetic opening continued, Cahill - whose robust approach had already prompted Jamie Carragher to register his displeasure to Atkinson - rose above the Liverpool defence to force keeper Pepe Reina into an athletic tip over the top.}}
  • Requiring strength or vigor; as, robust employment.
  • Sensible (of intellect etc.); straightforward, not given to or confused by uncertainty or subtlety;
  • (systems engineering) Designed or evolved in such a way as to be resistant to total failure despite partial damage.
  • (software engineering) Resistant or impervious to failure regardless of user input or unexpected conditions.
  • (statistics) Not greatly influenced by errors in assumptions about the distribution of sample errors.

    • Usage notes

    * "More" and "most robust" are much more common than the forms ending in "-er" or "-est".

    Derived terms

    * robustness

    See also

    * (Robust statistics)

    Anagrams

    * * ----

    substantial

    English

    Adjective

    (en adjective)
  • Having to substance; actually existing; real; as, substantial life.
  • Not seeming or imaginary; not illusive; real; solid; true; veritable.
  • * "to do some substantial good, is the compensation for much incidental imperfection" - Cardinal Newman, The Rise and Progress of Universities
  • Corporeal; material; firm.
  • Having good substance; strong; stout; solid; firm; as, substantial cloth; a substantial fence or wall.
  • possessed of goods or an estate; moderately wealthy; responsible; as, a substantial freeholder.
  • Large in size, quantity, or value; as, a substantial amount of money; vast
  • Most important; essential.
  • Ample or full.
    • A substantial amount of people in this buliding
  • Significantly great.

    • Derived terms

    * consubstantial * insubstantial * substantiality * substantially * substantialness

    Noun

    (en noun)
  • Anything having substance; an essential part.