Dictionary.com
Thesaurus.com
Synonyms

fishy

American  
[fish-ee] / ˈfɪʃ i /

adjective

fishier, fishiest
  1. like a fish in shape, smell, taste, or the like.

  2. consisting of fish.

  3. abounding in fish.

  4. Informal. improbable, as a story; unlikely.

  5. Informal. of questionable character; suspicious.

    The sudden knockout was fishy.

    Synonyms:
    dubious, suspect, strange, queer, peculiar
  6. dull and expressionless.

    fishy eyes.


fishy British  
/ ˈfɪʃɪ /

adjective

  1. of, involving, or suggestive of fish

  2. abounding in fish

  3. informal suspicious, doubtful, or questionable

    their leaving at the same time looked fishy

  4. dull and lifeless

    a fishy look

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of fishy

First recorded in 1540–50; fish + -y 1

Explanation

Anything fishy smells, tastes, or resembles a fish in some way. Suspicious people and situations are also called fishy. Since this word has two meanings, context is key. If you say something is fishy, it probably means you think something is suspicious. If you’re sitting next to someone eating a tuna sandwich, though, you could just mean you smell a fishy odor. Fishy usually refers to situations that seem suspect or shady. A guy looking over your shoulder while you use an ATM is fishy. A student looking at her arm for answers during a test is fishy. Anything fishy is suspicious — somebody’s up to something.

Keep Reading on Vocabulary.com

Vocabulary lists containing fishy

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.

Something’s Fishy — the sushi place of yesteryear where my brother worked as a busboy and where sake warmed the soul after a day in the cold Pacific.

From Los Angeles Times • Jan. 12, 2025

The "Jolene" singer first began making hit songs in 1967 with "Something Fishy" and "Dumb Blonde," People magazine reported.

From Fox News • Dec. 17, 2021

Fishy disaster: A restaurant in Taiwan ran a promotion offering free sushi to anyone who has the characters for “salmon” in their name.

From Slate • Mar. 20, 2021

Later, the Valley Voice posted an article under the headline “Tulare Politics Get Fishy as Hospital Recall Nears.”

From The New Yorker • Feb. 11, 2019

Fishy transactions never do pay, though they always promise to.

From The Rainbow Book Tales of Fun & Fancy by Spielmann, Mabel Henriette

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "fishy" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com