Synonym: incapable, incompetent, inept, unable, unfit, unskillful. Antonym: efficient. Similar words: inefficiency, efficient, efficiency, sufficient, sufficiently, insufficient, sufficiency, proficiency. Meaning: [‚ɪnɪ'fɪʃnt] 
adj. 1. not producing desired results; wasteful 2. lacking the ability or skill to perform effectively; inadequate.
adj. 1. not producing desired results; wasteful 2. lacking the ability or skill to perform effectively; inadequate. 
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1. Their communication systems are inefficient in the extreme.
2. Existing methods of production are expensive and inefficient.
3. The region's heavy industry is still inefficient and moribund.
4. The government was perceived to be inert and inefficient.
5. Inefficient personnel were cleaned out of the management.
6. The welfare system is grossly inequitable and inefficient.
7. Non-state firms gradually elbow aside the inefficient state-owned ones.
8. We should dismantle our inefficient tax system.
9. The government refuses to prop up inefficient industries.
10. It is an outdated and inefficient system.
11. The train company is overstaffed and notoriously inefficient.
12. The manager cleaned out inefficient personnel.
13. The whole system is inefficient and corrupt.
14. There has been a shakeout of inefficient corporations.
15. The whole process is wasteful and inefficient.
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16. He is inefficient and must be replaced.
17. The new boss was the scourge of the inefficient.
18. I'm hopelessly inefficient at mending things.
19. The protesters say the government is corrupt and inefficient.
20. The company was inefficient because it was highly bureaucratic.
21. The department has been accused of being inefficient and hugely overstaffed.
22. Overall, barter is a very inefficient means of organizing transactions.
23. The government has been pouring money into inefficient state-owned industries and the country can no longer afford it.
24. Local government was inefficient.
25. He's disorganized, inefficient, never there when you want him - in short(sentencedict.com), the man's hopeless.
26. The company was hamstrung by traditional but inefficient ways of conducting business.
27. The government doesn't want to force inefficient firms to sink or swim too quickly.
28. The inefficient operation cost the firm a lot of money.
29. Most computer users have never received any formal keyboard training. Consequently, their keyboard skills are inefficient.
30. The new procedures are being seen as a reversion to old, inefficient ways of working.
More similar words: inefficiency, efficient, efficiency, sufficient, sufficiently, insufficient, sufficiency, proficiency, scientific, unscientific, scientific method, in effect, efficacy, ineffable, beneficial, official, beneficiary, officially, ex officio, officious, unofficial, science fiction, ancient, beneficent, scientist, prescient, presciently, conscientious, effigy, office.