Antonyms for ineffective

Grammar : Adj

Spell : in-i-fek-tiv

Phonetic Transcription : ˌɪn ɪˈfɛk tɪv

Definition of ineffective

Origin : 1650s, from in- (1) "not, opposite of" + effective. Related: Ineffectively; ineffectiveness.

adj useless

Example sentences :

The enemy, surprised, opened an irregular and ineffective fire.
Extract from : « The Story of the Malakand Field Force » by Sir Winston S. Churchill

The presence of your ship in the field distorted it so much that it was ineffective.
Extract from : « In the Orbit of Saturn » by Roman Frederick Starzl

He ceased the ineffective fire of his men and brought them together.
Extract from : « The Twins of Suffering Creek » by Ridgwell Cullum

The air was very still, there was no breeze, but the match was ineffective.
Extract from : « The Paliser case » by Edgar Saltus

Against his ineffective reluctance she put on his coat and hat.
Extract from : « The Best Short Stories of 1920 » by Various

They could not escape by rocket-power and their Lawlor drives, also, were ineffective.
Extract from : « Sand Doom » by William Fitzgerald Jenkins

And to-day "the smudge" has grown more than ever ineffective.
Extract from : « Women's Wild Oats » by C. Gasquoine Hartley

The Terrestrial then turned on his rays, but found that they were ineffective.
Extract from : « Triplanetary » by Edward Elmer Smith

An ideal suspended in a vacuum is ineffective: it must point a dynamic current.
Extract from : « A Preface to Politics » by Walter Lippmann

But the verses written by command for Fouquet are laboured and ineffective.
Extract from : « A History of French Literature » by Edward Dowden

Synonyms for ineffective

Based on : Thesaurus.com - Gutenberg.org - Dictionary.com - Random House Unabridged Dictionary, © Random House, Inc. 2019