© 2026 Sloth Lingo. Learn easy. Lounge wisely.

fifty

Beginner (A1)

IPA: /ˈfɪfti/

KK: /ˈfɪfti/

noun
Definition

The number that comes after forty-nine and before fifty-one, often used to refer to a group of fifty items or a specific amount of money.


Example

He won fifty dollars in the lottery.


Conversation
Sloth A
Did you know my dad just turned fifty?
Sloth B
No way! That’s a big milestone for him.
Sloth A
Yeah, he’s planning a party and inviting everyone in their fifties.
Sloth B
Sounds like it will be a lot of fun!

Synonyms & Antonyms
Synonyms
half-century
lifetime
score
Antonyms
zero
one
hundred
Root Explanation

Fifty → The word 'fifty' originates from Old English 'fiftig', which is derived from 'fif' (meaning five) and the suffix '-tig' (meaning a group of ten). Thus, fifty literally means five groups of ten.

Memory Tip

Think of the number five ('fif') multiplied by ten ('-tig') to remember that fifty is five tens.

Visually Confused Words
rifty
nifty
fitty
fitly
fisty
Is this page helpful?