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Effective vs Proficient - What's the difference?

effective | proficient |

As adjectives the difference between effective and proficient

is that effective is having the power to produce a required effect or effects while proficient is good at; skilled; fluent; practiced, especially in relation to a task or skill.

As nouns the difference between effective and proficient

is that effective is a soldier fit for duty while proficient is an expert.

effective

English

Adjective

(en adjective)
  • Having the power to produce a required effect or effects.
  • The pill is an effective method of birth control.
  • Producing a decided or decisive effect.
  • The president delivered an effective speech!
  • * Jeremy Taylor
  • Whosoever is an effective , real cause of doing his neighbour wrong, is criminal.
  • Efficient, serviceable, or operative, available for useful work.
  • How long does it take to make a bunch of civilians an effective military force?
    My effective income after taxes and child support is $500 a month.
    The effective radiated power is determined by multiplying the transmitter power output with the antenna gain.
    The effective voltage of an alternating current is 0.7 times its peak voltage.
  • Actually in effect.
  • The curfew is effective at midnight.
  • Having no negative coefficients.
  • Noun

    (en noun)
  • (military) A soldier fit for duty.
  • *1876 , , Recollections of the Elkhorn Campaign :
  • *:The Army of the West reached Corinth sometime after the battle of Shiloh. We were 15,000 effectives , and brought Beauregard's effective force up to 45,000 men.
  • ----

    proficient

    English

    Adjective

    (en adjective)
  • Good at; skilled; fluent; practiced, especially in relation to a task or skill.
  • He was a proficient writer with an interest in human nature.
  • * 1912 : (Edgar Rice Burroughs), (Tarzan of the Apes), Chapter 5
  • By constant playing and experimenting with these he learned to tie rude knots, and make sliding nooses; and with these he and the younger apes amused themselves. What Tarzan did they tried to do also, but he alone originated and became proficient .

    Synonyms

    * (good at) skilled, fluent, practiced

    Noun

    (en noun)
  • An expert.
  • Synonyms

    * (expert) expert; see also