Synonym: advantageous, beneficial, functional, handy, helpful, practical, serviceable, valuable. Similar words: be useful to, purposeful, purposefully, careful, doleful, forceful, hopeful, grateful. Meaning: ['juːsfʊl] 
adj. 1. being of use or service 2. having a useful function.
adj. 1. being of use or service 2. having a useful function. 
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(31) These plants are particularly useful for brightening up shady areas.
(32) "For heaven's sake!" Dot expostulated. "They're cheap and they're useful.".
(33) I hoped I would find the computer course a useful adjunct to my other studies.
(34) The money I get from teaching the piano is a useful supplement to my ordinary income.
(35) The laptop drawing tablet is a very useful piece of hardware.
(36) Anger is not necessarily the most useful or acceptable reaction to such events.
(37) She was good at redirecting the children's energy into something useful.
(38) Your local library will be a useful source of information.
(39) Cars are useful[sentencedict.com], but their impact on the environment is another matter altogether.
(40) It would be useful if you could nail down the source of this tension.
(41) It was certainly useful to have her there to chauffeur him around.
(42) A commercial college teaches things that would be useful in business.
(43) I hope at least my daughter was able to offer you some useful pointers.
(44) The association works to promote the status of retired people as useful members of the community.
(45) This course is useful for students who are in transition from one training programme to another.
(46) The chapter headings are useful signposts to the content of the book.
(47) The conference provides a useful forum for the exchange of views and ideas.
(48) To him I owe the discovery that even very short periods of time add up to all useful hours I need, if I plunge in without delay.
(49) A sauna in the hotel would be a useful amenity.
(49) Wish you can benefit from sentencedict.com and make progress everyday!
(50) Once our services cease to be useful to them, we're expendable.
(51) The slow cooker is very useful for people who go out all day.
(52) A free low-interest credit card can be a useful budgeting tool.
(53) Some products can be recycled at the end of their useful life.
(54) Be patient and tough; someday this pain will be useful to you. Ovid 
(55) A little money can be a useful buffer in time of need.
(56) The author builds up a useful composite picture of contemporary consumer culture.
(57) Her specialist input to the discussions has been very useful.
(58) Stop mooning about and do something useful for a change!
(59) Side cutters are useful for cutting electrical flex to length.
(60) He spoke of the necessity for a reciprocal relationship that would be useful for all sides.
More similar words: be useful to, purposeful, purposefully, careful, doleful, forceful, hopeful, grateful, ruefully, be full of, to the full, carefully, graceful, hopefully, resourceful, gracefulness, make full use of, lose face, refuse, defuse, refuge, beef up, refute, refund, defunct, refugee, befuddle, full, befuddled, make fun of.