Antonym: effective. Similar words: effective, effectively, cost effective, effectiveness, in effect, ineffectual, defective, effect. Meaning: [‚ɪnɪ'fektɪv] 
adj. 1. not producing an intended effect 2. lacking in power or forcefulness 3. lacking the ability or skill to perform effectively; inadequate.
adj. 1. not producing an intended effect 2. lacking in power or forcefulness 3. lacking the ability or skill to perform effectively; inadequate. 
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181. Besides, Ponkan, and Wentan Pummelo showed economic efficient in organic fertilizers application, but Tankan and Liucheng appeared ineffective.
182. One such medication, intravenous terbutaline, "is fairly ineffective, and, frankly, it can be toxic," Shannon said.
183. After Tiglath-Pileser I, the Assyrians were in decline for nearly two centuries, a time of weak and ineffective rulers, wars with neighboring Urartu, and encroachments by Aramaean nomads.
184. Yo-yo diets such as this one are not only ineffective, they're dangerous to your heart and overall health.
185. Esophagectomy was the standard treatment in patients with achalasia and a markedly dilated or sigmoid-shaped esophagus, with Heller myotomy considered to be ineffective in such cases.
186. Methods Analysis of reasons for ineffective treatment of 11 cases of drug-fast pulmonary tuberculosis.
187. That's why he bought so many futures such as index-linked notes, which are expensive and ineffective and have caused great loss to SCB (China).
188. Conclusion It is important to understand the reasons for ineffective treatment of drug-fast tuberculosis.
189. The model of citizens' subjective measurement on government performance: is it effective or ineffective?
190. He felt strongly that free French would be ineffective and likely to aggravate the situation.
191. Early selection for number of lambs born alive based on ewe birth type was ineffective.
192. Don't take my word about idling being ineffective, but do listen to my mechanic, Rob Maier, who runs Maier's Garage in Bridgeport[sentencedict.com], Connecticut.
193. Their unions, once ineffective and docile , are now powerful tools in the collective bargaining process.
194. Corporal punishment is frequently ineffective, for it results in children's more aggressive and defiant behaviours.
195. She would not waste precious time with ineffective drugs or trial-and-error treatment.
196. Owing to the error guideline on pricing and inept pricing process,(http://sentencedict.com/ineffective.html) price is ineffective.
197. Already two anti-viral drugs Amantadine and Rimantadine have been found to be ineffective against bird flu.
198. In The Moonstone, the social machinery for the detection of crime unbelievably ineffective.
199. The essence of factual work relation is ineffective work relation and only has phraseological meaning.
200. Objective To probe the reasons for ineffective treatment of drug-fast pulmonary tuberculosis.
201. Thrusting higher than this point may be ineffective and waste precious time.
202. The air - conditioner was ineffective in such a crowded room.
More similar words: effective, effectively, cost effective, effectiveness, in effect, ineffectual, defective, effect, effected, take effect, side effect, ripple effect, coriolis effect, greenhouse effect, affection, the greenhouse effect, affectional, affectionate, affectionately, elective, objective, subjective, adjective, invective, detective, directive, protective, corrective, collective, perspective.