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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61. I was conned into buying a useless car.
62. This method of working is useless.
63. This computer's bloody useless! It's always going wrong.
64. You may see yourself as useless, incompetent and blameworthy.
65. The editor killed a few useless lines.
66. All our efforts were useless.
67. His books are full of repetition and useless information.
68. Please cancel the words which are useless.
69. Don't ask Tim to fix it. He's completely useless.
70. He is useless at maths.
71. She judged it a useless attempt to advise him.
72. They wrote his suggestion off as a useless idea.
73. His room is lumbered up with useless things.
74. The information was useless to him.
75. The condition rendered her legs virtually useless.
76. It seemed useless to pursue this line of questioning.
77. The land is useless for cattle.
78. She's very good at methodical work, but useless when there's a lot of pressure.
79. Water had got into the radio, and now it was completely useless.
80. You tell me in the same breath that it is useless to investigate the matter, and that you desire me to do it.
81. She sits at home all day, watching TV and feeling useless.
82. For all her qualifications, she's still useless at the job.
83. He spoke calmly to them trying to pour oil on troubled waters but it was useless.
84. Damn this useless typewriter!
85. He's a useless player.
86. The new employee was useless and so the management got shot of him after only a week.
87. When her husband left home she felt rejected and useless.
88. This is a useless knife — the handle has broken!
89. I'm useless at French.
90. I became a distraught, worried mother,(http://sentencedict.com/useless.html) a useless role if ever there was one.
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.