# Millie

/ˈmɪɫi/ (US) · CEFR C2 · Noun

Source: https://englishreference.com/word/millie
Updated: 2026-08-15

## Definition

a slang word for one million, especially when talking about money. It is very informal and used mostly in casual conversation.

For teachers: a slang term for one million, typically used in reference to currency or units of measurement. Highly informal and often associated with urban or youth sociolects.

## Examples

- He just signed a contract worth a couple of millies.
- After the video went viral, it racked up over ten millies in views within a single week.
- While the official report cited the exact figure, the investors were more interested in how many millies the startup would burn through before reaching profitability.

## Usage notes

- Typically used in the plural ('millies') to refer to multiple millions.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.