Antonyms for effective
ɪˈfɛk tɪvef·fec·tive

English Synonyms and AntonymsRate these synonyms:3.0 / 2 votes

1. effective

   Antonyms:
   abortive, baseless, bootless, deceitful, delusive, empty, fruitless, futile, idle, inconstant, ineffectual, nugatory, null, profitless, shadowy, trifling, trivial, unavailing, unimportant, unprofitable, unreal, unsatisfying, unserviceable, unsubstantial, useless, vain, vapid, visionary, worthless

   Synonyms:
   adequate, advantageous, beneficial, competent, efficient, expedient, potent, powerful, profitable, real, serviceable, solid, sound, substantial, sufficient, useful, valid, valuable, worthy

Complete Dictionary of Synonyms and AntonymsRate these synonyms:0.0 / 0 votes

1. effective

   Antonyms:
   weak, ineffective, inconducive, inoperative, futile, nugatory

   Synonyms:
   powerful, conducive, operative, cogent, telling, able, potent, talented, efficacious, efficient, serviceable, effectual

Matched Categories

1. • Military

Princeton's WordNetRate these antonyms:0.0 / 0 votes

1. effective, effectual, efficaciousadjective

   producing or capable of producing an intended result or having a striking effect

   "an air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation"-LewisMumford; "effective teaching methods"; "effective steps toward peace"; "made an effective entrance"; "his complaint proved to be effectual in bringing action"; "an efficacious law"

   Antonyms:
   ineffective, ineffectual, nonoperational, incompetent, inoperative, uneffective, potential, possible, inactive, inefficacious, toothless, unproductive

   Synonyms:
   sound, in effect(p), efficient, efficacious, effectual, legal, in force(p), good

2. effective, efficientadjective

   able to accomplish a purpose; functioning effectively

   "people who will do nothing unless they get something out of it for themselves are often highly effective persons..."-G.B.Shaw; "effective personnel"; "an efficient secretary"; "the efficient cause of the revolution"

   Antonyms:
   ineffectual, possible, inefficacious, inactive, uneffective, unproductive, inoperative, ineffective, nonoperational, incompetent, potential, toothless

   Synonyms:
   good, efficacious, effectual, in effect(p), efficient, in force(p)

3. effectiveadjective

   works well as a means or remedy

   "an effective reprimand"; "a lotion that is effective in cases of prickly heat"

   Antonyms:
   potential, possible, uneffective, unproductive, ineffectual, incompetent, toothless, ineffective, inefficacious, nonoperational, inactive, inoperative

   Synonyms:
   good, efficacious, effectual, in effect(p), efficient, in force(p)

4. effective, good, in effect(p), in force(p)adjective

   exerting force or influence

   "the law is effective immediately"; "a warranty good for two years"; "the law is already in effect (or in force)"

   Antonyms:
   possible, nonoperational, ineffectual, toothless, inactive, unproductive, incompetent, potential, inoperative, inefficacious, uneffective, ineffective

5. effectiveadjective

   existing in fact; not theoretical; real

   "a decline in the effective demand"; "confused increased equipment and expenditure with the quantity of effective work done"

   Antonyms:
   incompetent, ineffectual, potential, inactive, toothless, unproductive, inoperative, inefficacious, nonoperational, ineffective, possible, uneffective

   Synonyms:
   good, efficacious, effectual, in effect(p), efficient, in force(p)

6. effectiveadjective

   ready for service

   "the fort was held by about 100 effective soldiers"

   Antonyms:
   toothless, inactive, ineffectual, nonoperational, inefficacious, ineffective, unproductive, potential, inoperative, uneffective, possible, incompetent

   Synonyms:
   good, efficacious, effectual, in effect(p), efficient, in force(p)

Synonyms, Antonyms & Associated WordsRate these synonyms:0.0 / 0 votes

1. effectiveadjective

   Synonyms:
   effectual, efficient, potent, cogent, availing, productive

Editors ContributionRate these antonyms:0.0 / 0 votes

1. non effective

   good to use

   this face mask was affective

   Submitted by anonymous on November 1, 2020  

How to use effective in a sentence?

1. Connie Lehman:

   We're not surprised at all. This is an extremely effective vaccine.

2. Product Keith Coleman:

   As we develop algorithms that power Birdwatch—such as reputation and consensus systems—we aim to publish that code publicly in the Birdwatch Guide, we hope this will enable experts, researchers, and the public to analyze or audit Birdwatch, identifying opportunities or flaws that can help us more quickly build an effective community-driven solution.

3. House Judiciary Committee:

   With few fraud detection measures and effective background checks in place, it's no surprise that ICE arrested over a dozen DACA recipients last week, most of whom had already been convicted of a crime, i and other members of the House Judiciary Committee have expressed concern about this for years.

4. Diez Roux:

   So far it looks like the vaccines we have are effective against the variants that are circulating, but the more time the virus is jumping from person to person, the more time there is for variants to develop, and some of those could be more dangerous.

5. Charles Gerba:

   A lot of people just spray like a blessing and then wipe, the compound gets caught up in the cloth, so it's not as effective. But the wipes have the right dose and they have to dry, which helps kill the pathogen.

How to pronounce effective?

How to say effective in sign language?

Words popularity by usage frequency