Jessica Beck
"Director of IELTS Training"
Aubrey Carter
"3 Keys IELTS Certified Coach"

You need band 9 vocabulary for the IELTS exam.

You can change your mind in the middle of an IELTS Speaking answer!

In addition, you may need to describe someone who is moody or changes their opinion a lot.

Today we teach you high-scoring vocabulary to use when talking about changing opinions.

Use these strategies to avoid a common student mistake and boost vocabulary scores!

Congratulations Juan!

3 Keys IELTS student Juan got amazing scores the first time he took the exam!

  • Reading: 9
  • Listening: 8.5
  • Writing: 8
  • Speaking: 8.5

You save a lot of time and money when you only have to take IELTS one time!

Sign up for 3 Keys IELTS to get the strategies Juan used to get these amazing scores!

Don’t be wishy washy!

Don’t miss IELTS Energy 889: Don’t Be Wishy Washy for IELTS Band 9.

In that episode, we shared vocabulary for wavering opinions.

  • On the fence
  • Impartial
  • Play both sides

You may be asked on IELTS Speaking about things you don’t have a strong opinion about.

If you change your mind as you’re speaking, you can say so!

If you don’t, you may get tongue-twisted and thrown off.

Instead, use these phrases and those from today’s episode to explain why you changed your mind!

#1: Fickle

This adjective means changing frequently.

It is used most often about a person’s loyalties, interests or affection.

You can call someone fickle if they change their mind often.

Even better, you can refer to yourself as fickle.

I’m not usually a fickle person, but I think what I actually believe is…

#2: Capricious

This adjective is used most often about a person’s mood.

If someone’s mood changes often, you can refer to them as capricious.

Another less common word with the same meaning is mercurial.

These both mean a person is moody.

These are less common in English.

Therefore, they will boost your vocabulary scores and impress the Examiner!

I’ve been a bit mercurial lately, but then I went to Disneyland and was happy the entire time I was there!

#3: Like night and day

This expression means two things are very different.

You can describe two opinions as night and day.

Our political views are like night and day.

Anything that is not similar can be described in this way.

These two desserts are like night and day!

#4: Jekyll and Hyde

This comes from a fictional story about a doctor named Dr. Jekyll.

He would turn into his evil counterpart Mr. Hyde.

We now use this expression to describe a person with quickly changing moods.

Unlike “night and day”, this expression is only used to describe a person.

He’s a real Jekyll and Hyde!

This means a person’s mood changes quickly from one extreme to the other.

If they’re in a good mood one moment and then suddenly grouchy, this is a great way to describe them.


You need idiomatic language and expressions to score 7+ on vocabulary scores.

Today’s phrases are perfect for the IELTS Speaking exam.

You are allowed to change your mind during an answer.

Use today’s phrases to boost your vocabulary when doing so!

It can also be used to describe someone as moody or fickle.

For all the strategies you need on test day, sign up for our online IELTS course!

What questions do you have from today’s episode?

Please leave a comment below.

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