Meaning & use

suspicious

adjective·Everyday

Last updated

UK/səˈspɪʃəs/
US/səˈspɪʃəs/

Meanings

  1. adjectivenot comparable

    Feeling that someone cannot be trusted or that something is wrong.

    Grammar: Used after linking verbs like be, feel, become: I am suspicious.

    Patterns

    • suspicious of someone
    • suspicious about something

    She was suspicious of his sudden friendliness.

    I felt suspicious about the offer.

    They became suspicious when he refused to answer.

  2. adjectivenot comparable

    Causing a feeling that something is wrong or dishonest.

    Grammar: Used before nouns: a suspicious package.

    Patterns

    • a suspicious person
    • a suspicious package

    The police were called about a suspicious package.

    There was a suspicious smell coming from the kitchen.

    His suspicious behavior made everyone uneasy.

Word forms

comparativemore suspicious
superlativemost suspicious

Common combinations

suspicious of
She is suspicious of strangers.
suspicious about
I'm suspicious about his motives.
suspicious behavior
The guard noticed suspicious behavior.
suspicious package
They evacuated the building because of a suspicious package.
suspicious mind
He has a suspicious mind and questions everything.

Synonyms and how they differ

distrustful
Similar but focuses more on a general lack of trust; suspicious can also describe a thing that causes distrust.
doubtful
Means uncertain or questionable; suspicious implies a stronger feeling that something is wrong.
wary
Means cautious about possible danger; suspicious emphasizes belief in dishonesty or wrongdoing.

Opposites

trustingunsuspicious

Word family

suspicion noun
A feeling that something is wrong.
suspiciously adverb
In a way that shows suspicion.
suspect verb
To believe someone is guilty.

Commonly confused: suspicious or suspect?

suspicious vs suspect

As an adjective, 'suspect' means not to be trusted (e.g., a suspect package), while 'suspicious' describes the feeling or the thing causing it.

Practice

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