-ious

adjective suffix

: -ous
edacious

Word History

Etymology

Middle English, partly from Anglo-French -ious, from Latin -iosus, from -i-, penultimate vowel of some noun stems + -osus -ous; partly from Latin -ius, adjective suffix

Dictionary Entries Near -ious

IOU

-ious

IOW

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Cite this Entry

“-ious.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/-ious. Accessed 8 Oct. 2024.

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Kids Definition

-ious

adjective suffix
: -ous
capacious
Etymology

derived from Latin -iosus and -ius (adjective suffixes)

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