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. 
Random good picture Not show
(1) A useful trade is a mine of gold. 
(2) Lose not time; be always employed in something useful; cut off all unnecessary actions.
(3) The most useful learning in the world is that which teches us how to die well.
(4) She told Fred to make himself useful.
(5) The experiments serve no useful purpose .
(6) Don't just sit watching television-make yourself useful!
(7) He might be useful to us.
(8) Your knowledge of German may come in useful .
(9) Videos are useful things to have in the classroom.
(10) A modem is a useful add-on.
(11) The guide is crammed full of useful information.
(12) The book is full of useful information.
(13) In business a poker face can be very useful.
(14) He's a useful person to know.
(15) The advice was very useful to me.
(16) This information could prove useful.
(17) The research has yielded useful information.
(18) This variety of dog is very useful for hunting.
(19) These bars serve no useful purpose.
(20) Always desire to learn something useful. Sophocles
(21) The book contains much useful information.
(22) Each of the components is useful.
(23) This booklet provides useful information about local services.
(24) Someone came out with a most useful suggestion.
(25) He offered some useful advice.
(26) They provided some useful statistical information.
(27) Such an outfit would be a useful addition to my wardrobe.
(28) It can be useful to write a short summary of your argument first.
(29) They produced two reports(Sentencedict.com ), neither of which contained any useful suggestions.
(30) Adam raised the issue of multimedia applications and much useful discussion ensued.
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.