really

adverb

re·​al·​ly ˈrē-(ə-)lē 

1

a

: in reality : actually

things as they really are

there was nothing peculiar about her doing this, really

—Peter Taylor

b

: truly, unquestionably

—used as an intensifier

a really beautiful day

c

: very sense 1

look really close

he runs really fast

2

—used to emphasize an assertion

you really should read Yeats

really, you're being ridiculous

Synonyms

• very
• actually
• truly

Examples of really in a Sentence

The dog runs really fast.

The water is really hot.

She's a really nice person.

I had a really good time at the party.

Recent Examples on the Web

It's been a nice little homecoming to a role that really put me on the map. —EW.com, 7 Aug. 2025

For those really feeling that boozy Brewers magic, picking the wrong sister — and overlooking the shuttles' different colors, bar name and pick-up location — would mean a 30-minute walk to the correct bar after getting dropped off. —Kylie Volavongsa, jsonline.com, 7 Aug. 2025

Comedy acting is really complicated for so many reasons. —Lynette Rice, Deadline, 7 Aug. 2025

And if something goes really, really wrong, Miguel and I will head directly to the airport and take the next flight out. —Jesse Hyde, Rolling Stone, 7 Aug. 2025

Word History

First Known Use

15th century, in the meaning defined at sense 1a

Phrases Containing really

• not really

Rhymes for really

• bacilli
• tranquilly
• billie
• billy
• chilli
• chilly
• dilly
• filly
• frilly
• gillie
• gilly
• hilly

Kids Definition

really

adverb

re·​al·​ly ˈrē-(ə-)lē 

ˈri(-ə)l-ē

1

: in actual fact : actually

didn't really mean it

2

: without question : truly

a really beautiful day

3

: very entry 2 sense 2

look really close

he runs really fast

4

: to be honest : frankly