C1 ADVANCED · VOCABULARY · PART 1

Words that are easily confused

Advanced pairs like imply/infer, economic/economical and adapt/adopt.

Finn the puffin with glasses and a book, your vocabulary teacher
Finn says

Even at C1, some pairs of words trip up nearly everybody: imply and infer, economic and economical, continual and continuous. They often come from the same root and look almost identical, but their meanings are different – and Part 1 knows it.

Verbs

imply / infer
the speaker implies; the listener infers
Are you implying that I lied? I inferred from her tone that she was upset.
adapt / adopt
adapt = change to fit; adopt = start using
We adopted a new system and adapted it to our needs.
ensure / insure
ensure = make certain; insure = buy insurance
Ensure the door is locked. Insure your house.
prevent / avoid
you prevent something happening; you avoid doing something
Seat belts prevent injuries. Avoid eating late.
deny / refuse
deny = say it isn't true; refuse = say you won't do it
He denied stealing the money. He refused to answer.

Adjectives

economic / economical
economic = about the economy; economical = saving money
Economic growth. An economical car.
historic / historical
historic = very important; historical = about the past
A historic victory. Historical novels.
sensible / sensitive
sensible = reasonable; sensitive = easily hurt or aware of feelings
A sensible decision. A sensitive topic.
continual / continuous
continual = repeated; continuous = without stopping
Continual interruptions. Continuous rain.
disinterested / uninterested
disinterested = neutral; uninterested = bored
A disinterested judge. An uninterested audience.

How it comes up in Part 1

In Part 1 you choose the word (A, B, C or D) that best fits each gap. The four options often have similar meanings, so knowing which words go together is what gets you the mark.

Buying in bulk is often the most economical way to shop.
A economical B economic C economy D economist

Economical means saving money.

The castle is a building of great historical interest.
A historical B historic C history D historian

Historical interest is interest in the past. "Historic" means very important, as in a historic day.

Many companies have adopted a four-day working week.
A adopted B adapted C adjusted D accepted

To adopt a policy is to start using it.

Common mistakes

  • ✗ From his speech, he inferred that taxes would rise.✓ In his speech, he implied that taxes would rise.The speaker implies; the listener infers.
  • ✗ She's very sensible – she cries at sad films.✓ She's very sensitive.Sensitive means easily affected by emotions.
  • ✗ The government's economical policy…✓ The government's economic policy…Economic = connected with the economy.
  • ✗ He denied to answer the question.✓ He refused to answer the question.Refuse to do something; deny doing something.
Finn the puffin, smiling kindly
Finn's exam tip

For each confusing pair, learn one clear example sentence by heart – 'an economical car', 'a historic day'. In the exam, the example will come back to you faster than a definition.

Quick check

Choose the word that best fits each gap.

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