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Substantial vs Completely - What's the difference?

substantial | completely |

As an adjective substantial

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

As a noun substantial

is anything having substance; an essential part.

As an adverb completely is

(manner) in a complete manner; fully; totally; utterly.

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.

    • completely

    English

    Adverb

    (en adverb)
  • (manner) In a complete manner; fully; totally; utterly.
  • * 1851 , (Herman Melville), , Chapter 70,
    • It should not have been omitted that previous to completely stripping the body of the leviathan, he was beheaded.
  • * 1899 , (Kate Chopin), , Chapter XIX,
    • She completely abandoned her Tuesdays at home, and did not return the visits of those who had called upon her.
  • * 1969 , E.R. Zumwalt, Jr., ,
    • Lieutenant (junior grade) KERRY immediately maneuvered his craft through several strafing runs which completely silenced the enemy.
  • (degree) To the fullest extent or degree; totally.
  • *
    • , title=(The Celebrity), chapter=2 , passage=I had occasion […] to make a somewhat long business trip to Chicago, and on my return […] I found Farrar awaiting me in the railway station. He smiled his wonted fraction by way of greeting, […], and finally leading me to his buggy, turned and drove out of town. I was completely mystified at such an unusual proceeding.}}
  • * 1968 June 8, ,
    • Our future may lie beyond our vision, but it is not completely beyond our control.
  • * 1975 , (Helen Schucman), '', Lesson 75: ''The light has come ,
    • Keep a completely open mind, washed of all past ideas and clean of every concept you have made.

    Synonyms

    * See also