Definition

A part of something that is divided into one thousand equal pieces, or the position of something that is number 1,000 in a sequence.

Example

She finished in the thousandth place in the race.

Conversation

Did you know today is my one thousandth day of running every morning?

Wow, that's incredible! You’ve really stuck to it.

I can't believe it's been that long already.

You should celebrate — maybe get a new pair of running shoes!

Synonyms & Antonyms

Root Explanation

Thousandth → It is formed from "thousand" (from Old English "þūsend", meaning a group of one thousand) and "-th" (a suffix used to form ordinal numbers). The word "thousandth" refers to the ordinal position of one part in a group of one thousand.

Memory Tip

Think of a group of one thousand ('thousand') and how 'th'-'th' indicates its position in order, meaning it's the one part out of that group.

Visually Confused Words