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Definitions

fin

[fin] / fɪn /
NOUN
winglike organ of fish
Synonyms


NOUN
stablizer
Synonyms


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.

When GPX4 works properly, it positions a short protein loop -- described as a "fin" -- inside the inner surface of the neuronal membrane.

From Science Daily • Dec. 9, 2025

The catalog begins with fin de siècle Europe, when the emergence of mass publishing began to lead to a firmer distinction between subordinate illustrators and visionary fine artists.

From The Wall Street Journal • Nov. 21, 2025

As the local community had previously attempted to rescue the fin whale in 2020, a decision was made to keep part of it so it could eventually be displayed as a memorial.

From BBC • Nov. 18, 2025

"A dorsal fin slowly broke the surface revealing that familiar profile that looked like a shark," he said.

From BBC • May 16, 2025

The house was somewhat musty and abandoned, like everything in sight, and needed a number of repairs, but its former dignity and fin de siecle charms were intact.

From "The House of the Spirits: A Novel" by Isabel Allende