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

• actually
• authentically
• certifiably
• genuinely
• truly
• veritably
• very

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

Sharapova won five major singles titles but never really troubled the Williams Empire after that brilliant start. —Tim Ellis, Forbes, 17 Mar. 2025

That’s hard to do — that’s going to take recruiting and really good players. —Hunter Bailey, Charlotte Observer, 17 Mar. 2025

Is Christopher really dead at the end of The Electric State? —Lea Veloso, StyleCaster, 17 Mar. 2025

Beginning in the ‘30s and really hitting their stride in the glorious color animation of the ‘40s and ‘50s, the Warner Bros. cartoons have certainly stretched the bounds of what’s possible in 8-11 minutes, from full opera spoofs to fourth-wall-breaking experiments. —Sarah Shachat, IndieWire, 17 Mar. 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