plural pupae ˈpyü-(ˌ)pē How to pronounce pupa (audio)
also -ˌpī
or pupas
Synonyms of pupanext
: an intermediate usually quiescent stage of a metamorphic insect (such as a bee, moth, or beetle) that occurs between the larva and the imago, is usually enclosed in a cocoon or protective covering, and undergoes internal changes by which larval structures are replaced by those typical of the imago

Examples of pupa in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These spring adults arise from pupae that overwintered in plant debris or in soil. Miri Talabac, Baltimore Sun, 2 Mar. 2026 Inside, a luna moth transforms a final time into a dark brown wriggling pupa. Kai Coggin, Time, 16 May 2026 The same insect can munch leaves in summer as a caterpillar, sleep through winter as a pupa, and sip flower nectar in spring as a butterfly. Andrew Coletti, Popular Science, 12 Mar. 2026 The scientists found that even though the young ant was perfectly healthy, the worker ant started unpacking the pupa's cocoon, proving the smell was the active call to action. Arundathi Nair, NPR, 7 Jan. 2026 See All Example Sentences for pupa

Word History

Etymology

New Latin, from Latin pupa doll

First Known Use

1770, in the meaning defined above

Time Traveler
The first known use of pupa was in 1770

Browse Nearby Words

Cite this Entry

“Pupa.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pupa. Accessed 7 Jul. 2026.

Kids Definition

plural pupae -pē How to pronounce pupa (audio)
-ˌpī
or pupas
: a stage of an insect (as a bee, moth, or beetle) having complete metamorphosis that occurs between the larva and the adult, is usually enclosed in a cocoon or case, and goes through changes inside by which structures of the larva are replaced by those of the adult

Medical Definition

: an intermediate usually quiescent stage of an insect that occurs between the larva and the imago in forms (as a bee, moth, or beetle) which undergo complete metamorphosis and that is characterized by internal changes by which larval structures are replaced by those typical of the imago

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