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Defective vs Impactive - What's the difference?

defective | impactive |

As adjectives the difference between defective and impactive

is that defective is while impactive is of, pertaining to, possessing, or caused by impact.

defective

English

Adjective

(en adjective)
  • Having one or more defects.
  • * {{quote-magazine, date=2013-03
    • , author= , title=The Smallest Cell , volume=101, issue=2, page=83 , magazine= citation , passage=It is likely that the long evolutionary trajectory of Mycoplasma went from a reductive autotroph to oxidative heterotroph to a cell-wall–defective degenerate parasite. This evolutionary trajectory assumes the simplicity to complexity route of biogenesis, a point of view that is not universally accepted.}}
  • lacking some forms; e.g., having only one tense or being usable only in the third person.

    • Usage notes

    * Nouns to which "defective" is often applied: merchandise, goods, part, component, product, equipment, gene, unit, construction, design, drug, memory, wiring, machine, device, instrument, hardware, software, vehicle.

    Synonyms

    * faulty

    Related terms

    * defect * defection * defector * deficiency * deficient * deficit

    Noun

    (en noun)
  • A person considered to be defective.
  • * {{quote-news, year=2007, date=January 15, author=Bernard E. Harcourt, title=The Mentally Ill, Behind Bars, work=New York Times citation
    • , passage=There were many more kinds of mental institutions at mid-century, ones for “mental defectives and epileptics” and the mentally retarded, psychiatric wards in veterans hospitals, as well as “psychopathic” and private mental hospitals. }}

    See also

    *

    impactive

    English

    Adjective

    (en adjective)
  • Of, pertaining to, possessing, or caused by impact.
  • * 1880 , W. S. Barnard, "Protoplasmic Dynamics," The American Naturalist , vol. 14, no. 4, p. 237:
    • It is necessary to distinguish all forces sharply into two groups: 1, the attractional'' (gravity, adhesion, cohesion, chemism), and 2, the ''impactive or momentum forces of masses, molecules and atoms.
  • * 1970 , Kent Kirby, "Art, Technology and the Liberal Arts College," Art Journal , vol. 29, no. 3, p. 330:
    • Along with this revolution has come another, quieter and more subtle, but perhaps more impactive and ultimately more dynamic in its potential for change.
  • * 2001 , Elissa Gootman, " An Intricate Bond; New Haven's past and future are so tied to Yale, but it took 300 years for the two to get along," New York Times , 18 Feb.:
    • And in what may prove to be the most impactive development, the university is nurturing the nexus of science and business to create a biotechnology sector that has already brought millions of dollars and hundreds of jobs into town.

    References

    *" impactive" at OneLook® Dictionary Search . * Oxford English Dictionary , 2nd ed., 1989.