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Longman Dictionary of Contemporary English
ineffective
adjective
COLLOCATIONS FROM CORPUS
■ ADVERB
largely
▪ It gave some backing to Wilson's much-publicized but largely ineffective policy of economic sanctions against Rhodesia.
▪ These also were largely ineffective because the numbers of the unemployed, again largely casuals, far outnumbered the jobs notified.
▪ Even if it stops short of this extreme, retroactive cost justification is largely ineffective.
▪ The former is so necessary that in any period of confusion individual talents are largely ineffective.
EXAMPLES FROM OTHER ENTRIES
▪ A combination of ineffective management and inadequate investment brought about this collapse.
▪ Efforts to get homeless people off the streets have been largely ineffective.
▪ I sometimes feel that she is just totally ineffective in this job.
The Collaborative International Dictionary
Ineffective

Ineffective \In`ef*fect"ive\, a. [Pref. in- not + effective: cf. F. ineffectif.] Not effective; not having the desired effect; ineffectual; futile; inefficient; useless; as, an ineffective appeal; an ineffective herbal remedy.

The word of God, without the spirit, [is] a dead and ineffective letter.
--Jer. Taylor.

Douglas Harper's Etymology Dictionary
ineffective

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

Wiktionary
ineffective

a. 1 not having the desired effect; ineffectual 2 lacking in ability; incompetent or inadequate

WordNet
ineffective
  1. adj. not producing an intended effect; "an ineffective teacher"; "ineffective legislation" [syn: uneffective, ineffectual] [ant: effective]

  2. lacking in power or forcefulness; "an ineffectual ruler"; "like an unable phoenix in hot ashes" [syn: ineffectual, unable]

  3. lacking the ability or skill to perform effectively; inadequate; "an ineffective administration"; "inefficient workers" [syn: inefficient]

Usage examples of "ineffective".

The plague vaccine was found to be ineffective against aerosol dissemination in animal studies.

Sir Alured Wharton of Wharton Hall should live made those struggles very ineffective.

Although the whole notion of the use of deep barbiturate sedation as a treatment had been dismissed as dangerous and ineffective by its pioneer Dr William Sargant in the fifties, Ambrose Goddard was convinced it could repair broken minds.

I wondered what he thought about and what passed through his mind in the sunny leisure which seemed to shut him in from that modern work-a-day world of which, in spite of my passion for bedaubing old panels with ineffective portraiture of mouldy statues against screens of box, I still flattered myself I was a member.

I usually give my patients erythromycin, because penicillin is so ineffective these days, but I actually gave Ponter penicillin first.

A door or a gate serves its purpose by an application wholly foreign to itself, but it is a good and effective, or a bad and ineffective, piece of construction, independently of the posts to which it may be hung, whilst the wheel of a wheelbarrow, comprising felloes, spokes and axletree, is a piece of construction complete in itself, and independent as such of everything beyond it.

Images of him injecting Lance flitted through his mind and were quickly followed by the image of Lance killing him when the antiserum proved ineffective.

During the autumn all the evidence suggests that the provincial assemblies did in fact begin their work in earnest and that Parlementaire protests became desultory and ineffective.

Heindral by this action from outside, the leader of the Castellans demonstrated a little redeeming wisdom by declining to issue an order for the precautionary levying of the militia, on the grounds that it would be both provocative and ineffective.

Sir Alured Wharton of Wharton Hall should live made those struggles very ineffective.

Tall Man was no more of a quitter than his chestnut traveling horse, however, and every time one of the Piegan landed a blow, Tall Man lashed out in swift, if ineffective, retaliation.

Each, sooner or later, narrowed enough to spoil his grip and let the machine topple back to the ground, undamaged in Titanian gravity but ineffective.

Toddy stood between Tossa and her captors, his nostrils pinched and blue with desperation, as gallant as he was ineffective.

The gunners had warned the General that the weapons would be ineffective, that they would be firing too far and too high above them, but Wellesley had wanted the fortress to know that an assault might come from the south as well as across the rocky isthmus to the north, and so he had ordered the sappers to drag the two weapons up through the entangling jungle and to make a battery on the hill top.

This so-called blockade is proving completely ineffective, for the city is being almost nightly resupplied, rearmed, and reinforced by sea, by way of small craft that lie up during daylight hours, then dash in at night through shallows and shoal-waters of depths known to them, safe for them, but suicidal for most of your fleet to attempt.