useful

Describes something that can be used for a practical purpose; helpful or effective.

ruОписывает то, что можно использовать для практической цели; полезный или эффективный.esQue puede ser usado para una finalidad práctica; que sirve para algo o reporta beneficio. También se aplica a lo que resulta eficaz o funcional en un contexto determinado.frQualifie ce qui peut être utilisé pour une fin pratique ; qui apporte un avantage, qui est efficace ou fonctionnel.deBeschreibt etwas, das sich für einen praktischen Zweck einsetzen lässt; nützlich oder effektiv.ptDescreve algo que pode ser usado para um propósito prático; que traz benefício, proveito ou eficácia.zh指能够用于实际目的、有帮助或起作用的事物。arيصف ما يمكن استخدامه لتحقيق غرض عملي؛ نافع أو مُفيد أو فعّال.

1. Helpful or practical A1 formal

   Having a practical or beneficial use; serving a purpose.

   • This dictionary is very useful for learning English.
   • She gave me some useful advice about the job interview.
   • A Swiss army knife is a useful tool to have.

   ruПолезныйesútil, provechosofrutiledeNützlichptÚtilzh有用的arمُفيد

   Synonyme: advantageousbeneficialeffectivefunctionalhandyhelpfulpracticalproductiveserviceablevaluable

   Antonyme: counterproductivefutileimpracticalineffectiveunhelpfulunproductiveuselessworthless

2. Effective or efficient A2 formal

   Producing good results or being effective in achieving a goal.

   • The new software is useful for organizing data.
   • Regular exercise is useful for maintaining good health.
   • His suggestions were useful in solving the problem.

   ruПолезныйesÚtil, eficazfrefficacedeNützlichptÚtilzh有用的arمُفيد

   Synonyme: advantageousbeneficialeffectiveefficienthelpfulpracticalproductiveserviceablevaluable

   Antonyme: ineffectiveinefficientuseless

• more useful comparative form
• most useful superlative form