Synonym: fruitless, ineffectual, worthless. Antonym: useful. Similar words: senseless, careless, nonetheless, homeless, hopeless, tasteless, guileless, changeless. Meaning: ['juːslɪs] 
adj. having no beneficial use or incapable of functioning usefully.
adj. having no beneficial use or incapable of functioning usefully. 
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91. A computer program with too many icons is worse than useless.
92. I'm useless at maths.
93. In view of the facts, it seems useless to continue.
94. She had the whip hand and it was useless to resist.
95. This drug is useless in the treatment of patients with AIDS.
96. Shockingly, this useless and dangerous surgery did not end until the 1930s.
97. He's useless at DIY. He won't even put up a shelf.
98. To cajole is useless.
99. Without fuel, the vehicles will become useless for moving supplies.
100. The camel's feet, well adapted for dry sand, are useless on mud.
101. ￡3000 for a useless old car like this? That's daylight robbery!
102. You must obey the rule. It is useless for you to kick against the pricks.
103. The teacher works too hard trying to grind useless facts into the children.
104. It's useless talking to him?you may as well save your breath.
105. At close quarters a rifle is almost useless.
106. It's useless to try and deceive them.
107. Computers are useless. They can only give you answers. Pablo Picasso 
108. They are onerous and omnipresent, useless and demeaning.
109. It was simply a bravura display of useless knowledge.
110. The birth of his boy had banished all thought of useless activities.
111. If car alarms are useless, why do they sell so well?
112. In the first place, it was quite useless to preach ready made doctrine to them.
113. Family ties, however,(http://sentencedict.com/useless.html) did not prevent Victoria's clear-headed assessment that intervention was useless.
114. However, a dock leaf is useless against wasp stings, which contain an alkali.
115. Useless information Perhaps the essential clue to dramatisation was given in the discovery that new born babies enjoy solving problems.
116. A dictionary is useless unless one already knows the meanings of many words.
117. The seed was defective and the resulting crop was little better than useless.
118. Instead of producing something his neighbors wanted, he dreamily sawed and sanded something utterly useless to them.
119. The carnivorous digestive system would be useless without the means of catching prey.
120. The most useless are those who never change through the years. James Matthew Barrie
More similar words: senseless, careless, nonetheless, homeless, hopeless, tasteless, guileless, changeless, nevertheless, tactlessness, select, selected, selection, vessel, less, telescope, celestial, bless, unless, lesson, endless, witless, odorless, pitiless, much less, less than, flawless, tactless, harmless, reckless.