Proteus

[proh-tee-uhs, -tyoos] / ˈproʊ ti əs, -tyus /

NOUN

Jekyll and Hyde

Synonyms

WEAK

dual personality split personality

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A Proteus costs $130,000 over 10 years, including maintenance.

From MarketWatch • Nov. 14, 2025

The Proteus is a research programme for the Royal Navy, designed to see what is possible.

From BBC • Mar. 20, 2025

He still had a plane hangared there and was friends with people at Proteus.

From Los Angeles Times • Oct. 12, 2024

The Proteus lab will be 10 times as large as Aquarius.

From NewsForKids.net • Mar. 25, 2024

Proteus was sometimes said to be Poseidon’s son, sometimes his attendant.

From "Mythology: Timeless Tales of Gods and Heroes" by Edith Hamilton