momentaneous

adjective

mo·​men·​ta·​ne·​ous

¦mōmən‧¦tānēəs

1

: momentary sense 1a

the rapid momentaneous association of things which meet and pass

—D. H. Lawrence

2

archaic : instantaneous

in which momentaneous explosion of the whole quantity all the force consists

—William Clarke

3

of an aspect or form of a verb : of, relating to, or characterizing action begun and terminated in an instant

momentaneously adverb

momentaneousness noun

plural -es

Word History

Etymology

Late Latin momentaneus, from Latin momentum moment + -aneus (as in subterraneus subterranean)

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now

Rhymes for momentaneous

• miscellaneous
• percutaneous
• simultaneous
• subcutaneous
• subterraneous
• transcutaneous
• contemporaneous
• extemporaneous
• intracutaneous
• mucocutaneous
• extraneous
• spontaneous