Octopi

noun

noun ·3 syllables ·Rare ·Advanced level

Definitions

Noun
  1. 1
    plural of octopus form-of, hypercorrect, nonstandard, plural

    "(see more in main entry)"

Synonyms

All synonyms
octopodesoctopuses

Example

More examples

"It is similar to some octopi that live in shallow water, but this one was found more than 4,000 meters below the surface."

Etymology

Formed on a common assumption that the -us of Latin octopus was a second-declension case ending.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.