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LampPro Tip 1/3
Negative ConnotationPlay
Use 'useless' to express frustration or disappointment in something's performance. SlideBuying that cheap vacuum was useless; it doesn't clean at all.
LampPro Tip 2/3
Unhelpful EffortsPlay
Use 'useless' when someone's attempt to help has no positive outcome or makes no difference. SlideI know you tried to fix the leak, but it was a useless effort.
LampPro Tip 3/3
Extent of UselessnessPlay
Combine 'useless' with words like 'completely' or 'utterly' to stress the total lack of effectiveness. SlideHis advice was utterly useless in that situation.