Antonym: ineffective. Similar words: effectively, effectiveness, effect, in effect, take effect, affection, the greenhouse effect, affectionate. Meaning: [-tɪv] 
adj. 1. producing or capable of producing an intended result or having a striking effect 2. able to accomplish a purpose; functioning effectively 3. works well as a means or remedy 4. exerting force or influence 5. existing in fact; not theoretical; real 6. ready for service.
adj. 1. producing or capable of producing an intended result or having a striking effect 2. able to accomplish a purpose; functioning effectively 3. works well as a means or remedy 4. exerting force or influence 5. existing in fact; not theoretical; real 6. ready for service. 
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121. The packaging must provide an effective barrier to prevent contamination of the product.
122. The government is more effective than we incline to think.
123. Laboratory tests show that the new drug is very effective.
124. The Secretary General says the declaration must now be backed up by concrete and effective actions.
125. This relaxation technique can serve as an effective weapon against stress.
126. We need effective strategies to combat sexual harassment in the workplace.
127. This game is an effective icebreaker at the beginning of a semester.
128. The directors' efforts to improve the comprehensive management in the company have been very effective.
128. Wish you will love sentencedict.com and make progress everyday!
129. The most effective technique is to cajole rather than to threaten.
130. Although she's not officially our boss, she's in effective control of the office.
131. He called on the United States to play a more effective role in bringing peace to the region.
132. The government's programme should be an effective counter to unemployment.
133. The drug is not very effective against AIDS, though it may be used to treat secondary viral infections.
134. We have to resign ourselves to fate since we cannot think out an effective remedy.
135. The drug does not show up in blood tests because it is effective in very small quantities.
136. They put up an effective defence against the guerrilla forces.
137. It is my firm belief that an effective partnership approach between police and the public is absolutely necessary.
138. Condoms are an effective method of birth control if used with care.
139. The procedure is quick(sentencedict.com), easy to use and cost effective.
140. Managing effective teams is a matter of achieving synergy between the individual members.
141. That's a very effective advertisement - it really jumps out at you.
142. Now research has proved that the drug is effective everyone wants a slice of the action.
143. It is an effective treatment for the bacteria and does kill it off.
144. in its are effective the amortize inside economic life, the amortize that our country sets period do not exceed 10 years.
145. We do not have an effective antidote to this poison.
146. We now have an effective sanction against the killing of whales.
147. Two newspapers did avery effective hatchet job on the Prime Minister's achievements.
148. After become effective of property insurance contract, those who serve as insurance mark insurance belongings reachs his to concern a benefit, because the meeting is buying and selling, given, accede to wait for the happening of the circumstance and be transferred, after the cession of insurance mark, the alienee that insurance profit meets what change insurance bid subsequently of course.
149. His speech did a very effective demolition job on the government's proposals.
150. One aim of these reforms is effective defence with minimal expenditure.
More similar words: effectively, effectiveness, effect, in effect, take effect, affection, the greenhouse effect, affectionate, detective, objective, subjective, perspective, protective, collective, collectively, irrespective, respectively, retrospective, irrespective of, affect, affectation, infection, active, actively, deductive, addictive, proactive, productive, afflictive, hyperactive.