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What is the difference between influence and impact?

influence | impact |

In transitive terms the difference between influence and impact

is that influence is to affect by gentle action; to exert an influence upon; to modify, bias, or sway; to persuade or induce while impact is to collide or strike.

influence

Noun

  • The power to affect, control or manipulate something or someone; the ability to change the development of fluctuating things such as conduct, thoughts or decisions.
  • * {{quote-magazine, date=2013-07-26, author=(Leo Hickman)
  • , volume=189, issue=7, page=26, magazine=(The Guardian Weekly) , title= How algorithms rule the world , passage=The use of algorithms in policing is one example of their increasing influence on our lives. And, as their ubiquity spreads, so too does the debate around whether we should allow ourselves to become so reliant on them – and who, if anyone, is policing their use.}}
  • An action exerted by a person or thing with such power on another to cause change.
  • A person or thing exerting such power or action.
  • * {{quote-magazine, year=2013, month=May-June, author= Katrina G. Claw
  • , title= Rapid Evolution in Eggs and Sperm , volume=101, issue=3, magazine=(American Scientist) , passage=Many genes with reproductive roles also have antibacterial and immune functions, which indicate that the threat of microbial attack on the sperm or egg may be a major influence on rapid evolution during reproduction.}}
  • (astrology) An element believed to determine someone's character or individual tendencies, caused by the position of the stars and planets at the time of one's birth.
  • (obsolete) The action of flowing in; influx.
  • * Hooker
  • God hath his influence into the very essence of all things.
  • (electricity) Electrostatic induction.
  • Usage notes

    * Adjectives often applied to "influence": cultural, political, social, economic, military, personal, moral, intellectual, mental, good, bad, positive, negative, beneficial, harmful, huge, big, heavy, significant, important, potential, actual, primary.

    Verb

    (influenc)
  • To affect by gentle action; to exert an influence upon; to modify, bias, or sway; to persuade or induce.
  • The politician wants to influence the public.
    I must admit that this book influenced my outlook on life.
  • To exert, make use of one's influence.
  • (obsolete) To cause to flow in or into; infuse; instill.
  • Derived terms

    * influenceable * influencer * influencive

    Statistics

    * ----

    impact

    English

    Noun

    (en noun)
  • The striking of one body against another; collision.
  • The force or energy of a collision of two objects.
  • The hatchet cut the wood on impact .
  • (chiefly, medicine) A forced impinging.
  • His spine had an impingement; L4 and L5 made impact , which caused numbness in his leg.
  • A significant or strong influence; an effect.
  • His friend's opinion had an impact on his decision.
    Our choice of concrete will have a tremendous impact on the building's mechanical performance.

    Usage notes

    * Adjectives often applied to "impact": social, political, physical, positive, negative, good, bad, beneficial, harmful, significant, great, important, strong, big, small, real, huge, likely, actual, potential, devastating, disastrous, true, primary. * The adposition generally used with "impact" is "on" (such as in last example in section above) * There are English speakers who are so ). In defensive editing, the solution is to replace the figurative noun sense with effect'' and the verb sense with ''affect , which nearly always produces an acceptable result. (Rarely, a phrase such as "the impact of late effects" is better stetted to avoid "the effect of [...] effects".)

    Derived terms

    * impactful * impactive * impact statement * Western impact

    Verb

    (en verb)
  • To compress; to compact; to press or pack together.
  • If fecal incontinence is caused by impacted stool in the rectum, the impaction must be removed.
  • (proscribed) To influence; to affect; to have an on.
  • ''I can make the changes, but it will impact the schedule.
  • To collide or strike.
  • When the hammer impacts the nail, it bends.

    Usage notes

    Some authorities object to the verb sense of impact'', meaning "to influence; to affect; to have an impact on" or "to collide or strike". Although most .

    Derived terms

    * impactor