Business English Vocabulary Challenge: insufficient, insufferable, unsubstantiated, unfounded

Welcome to the Business English Vocabulary Quiz!

Today, we’re focusing on a useful Business English adjective that often comes up in finance and banking.

Today’s Challenge:

You try to make a payment, but something goes wrong. The bank blocks the transaction and sends you a message.

It says:

The bank declined the payment due to _____ funds.

A) insufficient

B) insufferable

C) unsubstantiated

D) unfounded

Choose the correct option and listen to the sentence.

Did you get it right?

Let's go over each option.

INSUFFICIENT /ˌɪn.səˈfɪʃ.ənt/

adjective

not enough

The payment was declined due to insufficient funds.

There was insufficient time to finish the project.

INSUFFERABLE /ɪnˈsʌf.ər.ə.bəl/

adjective

very unpleasant or annoying

The heat was insufferable, so we stayed indoors.

His arrogant attitude made him insufferable to work with.

UNSUBSTANTIATED /ˌʌn.səbˈstæn.ʃi.eɪ.tɪd/

adjective

not supported by evidence

The rumors about the company closing were unsubstantiated.

She made an unsubstantiated claim about the product's safety.

UNFOUNDED /ʌnˈfaʊn.dɪd/

adjective

not based on facts or truth

His fears about losing his job were unfounded.

The accusations turned out to be unfounded.

That's right! The correct answer is A) insufficient.

Learn more tricky adjectives here.

Choose the correct option and listen to each sentence.

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