Inglês

efficient

gb/ɪfˈɪʃənt/ us/ɪfˈɪʃənt/
B1 Inglês
~ 2300
Aceções
0 aceções
adjective B1 property
1

Working well with no waste

Doing something in a way that saves time, energy, or resources.

Padrão de uso: [someone/something] is efficient at [doing something]
Erro comum:
Learners sometimes confuse 'efficient' with 'effective'. 'Efficient' means achieving results with minimal waste; 'effective' means achieving the intended result regardless of effort or waste.
Sinónimos
effective (Focuses on achieving the desired result, not necessarily with minimal waste.) | productive (Emphasizes producing a lot or achieving much, possibly with efficiency.)
Antónimos
inefficient (Fails to achieve results without wasting time or resources.) | wasteful (Uses more resources than necessary, often carelessly.)
Colocações
highly efficient |energy efficient |efficient system |efficient process |efficient worker
Temas
business |daily life |productivity |work |core_vocabulary
Exemplos
  • The new software is much more efficient than the old one.
  • She is an efficient manager who always meets deadlines.
  • Solar panels are an efficient way to generate electricity.
  • The car's engine is extremely efficient, using very little fuel.
  • We need an efficient plan to finish the project on time.
Exemplos para aprendentes
  • This machine is very efficient.
  • My car is efficient and uses less gas.
  • He is efficient at his job.
  • We have an efficient system for cleaning.
  • The new printer is efficient.
Gramática
Forma de dicionário
efficient
IPA
GB/ɪfˈɪʃənt/
US/ɪfˈɪʃənt/
Sílabas e acento
ef - fi - cient (3 sílabas)
Stress on 2nd syllable (fi)
Formas da palavra
Adjective
  • Base: efficient
Família de palavras
Core family
efficiency noun B1 efficiently adverb B2
Related words
effective adjective B1 effectiveness noun B1 effectively adverb B1
Negative and opposite forms
inefficient adjective B1 inefficiency noun inefficiently adverb
Expressões

cost efficient

1
/kˈɔst ɪfˈɪʃənt/
fixed phrase

Achieving results with low cost

Doing something well while spending little money.

Exemplos
  • Online marketing can be more cost efficient than TV ads.
  • We found a cost efficient way to manufacture the product.

energy efficient

1
/ˈɛnɚd͡ʒi ɪfˈɪʃənt/
fixed phrase

Using little energy for output

Using less energy to do the same work.

Exemplos
  • LED bulbs are more energy efficient than traditional light bulbs.
  • The building was designed to be highly energy efficient.

time efficient

1
/tˈaɪm ɪfˈɪʃənt/
fixed phrase

Using little time for result

Doing something in less time without losing quality.

Exemplos
  • This method is more time efficient than the old one.
  • We need a time efficient process for data entry.

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