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. Lee Goodman:

   The U.S. has the highest number of COVID-19 deaths in the world, it is a tragedy and a disgrace that we have failed to do all we could to confront this public health crisis, and as a result, many people have died unnecessarily. But, we can do better in the future. We hope that public awareness will lead people to demand a more effective response by our federal government.

2. Stuart Scheller:

   I could stay in the Marine Corps for another three years, but I don’t think that’s the path I’m on. I’m resigning my commission as a United States Marine, effective now, i am forfeiting retirements, all entitlements, I don’t want a single dollar. I don’t want any money from the VA. I don’t want any VA benefits [even though] I’m sure I’m entitled 100%.

3. Xiaying Li:

   Particular components in tea, such as polyphenols, may reduce blood glucose concentration by inhibiting the activity of α-glucosidase and/or inhibiting the activity of other enzymes, but a sufficient amount of the bioactive substance is required to be effective.

4. Mary Jo Larson:

   The take away is that the Navy and Marines must establish additional effective prevention programs, which send a strong message that those that need medical help can receive it confidentially.

5. Maurice Godelier:

   The strongest and most effective force in guaranteeing the long-term maintenance of power is not violence in all the forms deployed by the dominant to control the dominated, but consent in all the forms in which the dominated acquiesce in their own domination.

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