Definition

Able to move or act quickly; happening in a short amount of time.

Example

The cheetah is the fastest land animal, capable of running at incredible speeds.

Comparatives & Superlatives

Conversation

Did you see how fast that car was going?

Yeah, it was like a blur!

I wish I could drive that fast on the highway.

Just make sure to follow the speed limits!

Synonyms & Antonyms

Definition

In a quick manner; at a high speed.

Example

She runs fast to catch the bus.

Conversation

Did you see how fast that car was going on the highway?

Yeah, it was really impressive!

I wish I could drive that fast without getting a ticket.

Definition

To abstain from eating food, often for a period of time, usually for religious or health reasons.

Example

Many people choose to fast during Ramadan as a way to practice self-discipline.

Tense Forms

Conversation

I decided to fast for a day to clear my mind.

Really? I've heard that can be quite refreshing.

Yeah, it's tough, but I think it helps with focus.

Definition

The act of not eating food for a period of time, often for religious or health reasons.

Example

During Ramadan, many people observe a fast from dawn until sunset.

Conversation

Have you ever tried a fast for a day?

I haven't, but I've heard it can be really beneficial.

Yeah, some people say it helps with focus and energy.

Root Explanation

The word 'fast' originates from Old English 'fæst', meaning firmly fixed or steadfast. It conveys the idea of being secure or stable, which has evolved into the modern meanings of quickness or speed.

Memory Tip

Think of something that is 'firmly fixed' — that's how 'fast' relates to being quick or secure.

Visually Confused Words