Substantial vs Valid - What's the difference?

substantial | valid | Related terms |

Substantial is a related term of valid.

As adjectives the difference between substantial and valid

is that substantial is having to substance; actually existing; real; as, substantial life while valid is valid.

As a noun substantial

is anything having substance; an essential part.




(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


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



    (en adjective)
  • Well grounded or justifiable, pertinent.
  • *{{quote-magazine, year=2012, month=March-April
  • , author=(Jan Sapp) , title=Race Finished , volume=100, issue=2, page=164 , magazine=(American Scientist) citation , passage=Few concepts are as emotionally charged as that of race. The word conjures up a mixture of associations—culture, ethnicity, genetics, subjugation, exclusion and persecution. But is the tragic history of efforts to define groups of people by race really a matter of the misuse of science, the abuse of a valid biological concept?}}
    I will believe him as soon as he offers a valid answer.
  • Acceptable, proper or correct.
  • A valid format for the date is MM/DD/YY.
    Do not drive without a valid license.
  • Related to the current topic, or presented within context, relevant.
  • (logic) Of a formula or system: such that it evaluates to true regardless of the input values.
  • (logic) Of an argument: whose conclusion is always true whenever its premises are true.
  • An argument is valid if and only if the set consisting of both (1) all of its premises and (2) the contradictory of its conclusion is inconsistent.


    * invalid


    * sound