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adj B2 Upper-Intermediate Common

suspicious

suh-SPIHSH-uhs

Suspicious (adj) means making people think something is wrong or dishonest. Example: “He acted suspicious when the police arrived.”

adj
1
Making people think something is wrong or dishonest.
"He acted suspicious when the police arrived."
"A suspicious package was found near the station."
2
Tending to distrust or doubt others.
"She's always suspicious of strangers offering deals that sound too good."

How to Use Suspicious

Learner’s notes

In plain EnglishEither looking dodgy and untrustworthy, or being the kind of person who distrusts things easily.

Common pairings
suspicious activity suspicious of a suspicious package

Word Forms

more suspicious comparative, most suspicious superlative

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Test yourself on “suspicious” A quick quiz — meaning, synonyms & usage

Fill the Gap

Can you complete this real example?

He acted _____ when the police arrived.

Etymology

From Old French sospecious, from Latin suspiciosus, related to suspicio, "suspicion."

Origin: Latin

Related Words

Rhymes for suspicious

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Frequently Asked Questions

What does “suspicious” mean?

The word “suspicious” means making people think something is wrong or dishonest. In plain terms, either looking dodgy and untrustworthy, or being the kind of person who distrusts things easily.

How do you pronounce “suspicious”?

“Suspicious” is pronounced suh-SPIHSH-uhs (/səˈspɪʃ.əs/ in IPA).

How do you use “suspicious” in a sentence?

Here is “suspicious” used in a sentence: “He acted suspicious when the police arrived.”

What part of speech is “suspicious”?

“Suspicious” is an adjective.

Where does the word “suspicious” come from?

The word “suspicious” comes from Latin. From Old French sospecious, from Latin suspiciosus, related to suspicio, "suspicion.".

Is “suspicious” a common word?

“Suspicious” is a fairly common word in modern English, usually learned at around the B2 level.

How many meanings does “suspicious” have?

“Suspicious” has 2 distinct senses listed in this dictionary. The most common is: making people think something is wrong or dishonest.

What is the difference between suspicious and suspect as adjectives?

Suspicious can describe either the person who feels distrust ("a suspicious neighbor") or the thing that causes it ("a suspicious package"). The adjective suspect only describes the thing being doubted, as in "a suspect claim," and sounds slightly more formal.

Is it "suspicious of" or "suspicious about"?

Both prepositions are correct. "Suspicious of" is the more common pattern, especially with people and their motives ("suspicious of strangers"), while "suspicious about" tends to introduce situations or circumstances ("something suspicious about the accounts").

What is the difference between suspicious and skeptical?

A skeptical person doubts claims and wants evidence before believing them, without necessarily assuming bad intent. A suspicious person tends to distrust others and senses that something is wrong or dishonest. Skepticism questions truth; suspicion suspects wrongdoing.

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Definitions: FreeDict original editorial