Updated on October 11, 2025

Unit 11. Illness

This unit offers vocabulary items and exercises for Unit 11. Illness, 400 words for TOEFL

Unit 11. Illness, 400 words for TOEFL Exercises and Flashcards

Wordlist for Unit 11. Illness, 400 words for TOEFL

Word

Definition

Example

aggravate

to make worse; to anger or intensify

The treatment only aggravated the condition.

decrepit

weakened or worn out

Most of the buildings were old and decrepit.

disease

a sickness

A lot of people now suffer from heart diseases

fatally

causing death or disaster

Several people were injured, two fatally.

forensics

scientific investigation of a criminal case

Using cutting-edge forensics, they can analyze material samples for traces of suspicious chemicals.

persist

to continue to exist

I didn't want to stay for dinner, but my mom persisted, so that's why I am late

prognosis

an estimation of how something will develop, especially a disease

The prognosis after the operation was for a full recovery.

terminal

deadly

Flights to Europe leave from Terminal 2.

vein

the tubes that carry blood to the heart

Ancient Egyptians believed the vein of that finger was the 'vein of love'

wound

to injure

He died of numerous gunshot wounds

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