B1adjective1K

Essential

UK //ɪˈsɛnʃəl//US //ɪˈsɛnʃəl//

Definition

Absolutely necessary; extremely important.

In simple words: Very important or necessary.

Examples

Water is essential for all living things.
It is essential to follow the instructions carefully.
Good communication is essential in a relationship.
They provided essential supplies to the disaster area.
Understanding the basics is essential for success.
Essential oils are popular in aromatherapy.

Usage notes

Use 'essential' to emphasize the importance of something. It's commonly used in both formal and informal contexts.

Grammar pattern

standalone adjective

Memory hint

Think of 'essence' – the essence of something is its most important part.

Collocations

essential item
essential skills
essential part

Synonyms

crucial
vital
important
fundamental
critical

Antonyms

unnecessary
optional
secondary

Common mistakes

Confused with 'essentially' which means 'basically'.
Overused in informal situations where simpler words like 'basic' would suffice.
Using it in negative sentences can sound awkward.