irresoluble

adjective

ir·re·sol·u·ble ˌir-i-ˈzäl-yə-bəl

1

: having or admitting of no solution or explanation

an irresoluble question

2

archaic : indissoluble

Word History

Etymology

Latin irresolubilis, from in- + resolvere to resolve

First Known Use

1666, in the meaning defined at sense 2

Time Traveler

The first known use of irresoluble was in 1666

See more words from the same year

Cite this Entry

Style

“Irresoluble.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.grautoblog.com/dictionary/irresoluble. Accessed 29 Apr. 2026.

Copy Citation

More from Merriam-Webster

Word of the Day

speculate

Listen to the pronunciation of speculate

See Definitions and Examples »

Get Word of the Day daily email!

Popular in Grammar & Usage

See More

More Commonly Mispronounced Words

5 Verbal Slip Ups and Language Mistakes

Is that lie 'bald-faced' or 'bold-faced'?

The Difference Between 'i.e.' and 'e.g.'

Why is '-ed' sometimes pronounced at the end of a word?

Popular in Wordplay

See More

The Longest Long Words List

9 Other Words for Beautiful

Why do we 'bury the lede?'

10 Words from Nahuatl, the Language of the Aztecs

10 Words for Food with Unfortunate-Sounding Names

Popular

See More

More Commonly Mispronounced Words

The Longest Long Words List

9 Other Words for Beautiful