Preposition after adjective

Insecure about or insecure in?

Use insecure about for worries or lack of confidence about something. Use insecure in for lack of confidence within a situation, role, or environment.

Quick answer

Which preposition fits with insecure?

Insecure about is the most common pattern and refers to concerns about appearance, skills, or relationships. Insecure in usually refers to feeling uncertain or lacking confidence in a place, role, or context.

He feels insecure about his accent.
She is insecure about her qualifications.
They felt insecure in unfamiliar surroundings.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
insecure about + issue/feature

Talking about personal worries

Use about for things that cause anxiety or self-doubt.

She is insecure about her height.
Many people feel insecure about public speaking.
2
insecure in + environment/role

Describing lack of confidence in a setting

Use in for situations, environments, or positions.

He felt insecure in his new job.
The child became insecure in large groups.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
insecure about
She is insecure about her appearance.
Worried or lacking confidence about something specific.
insecure in
He felt insecure in the classroom.
Not confident or comfortable in a situation or place.
insecure with
She is insecure with new technology.
Possible in some contexts, but less common than insecure about or insecure using.

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using insecure in for personal traits

Use about for appearance, skills, or personality traits.

✕ He is insecure in his voice. ✓ He is insecure about his voice.

Confusing insecure about with insecure in

About refers to the source of insecurity. In refers to the setting.

✕ She felt insecure about the meeting room. ✓ She felt insecure in the meeting room.

Quick practice

Choose the expression that matches the intended meaning.

1. He is insecure ___ his pronunciation.
2. She felt insecure ___ her new environment.
3. Many teenagers are insecure ___ their appearance.

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Frequently asked questions

Is insecure about more common than insecure in?

Yes. Insecure about is the usual pattern for personal worries and self-doubt.

When do we use insecure in?

Use insecure in a situation, environment, role, or social setting.

Can insecure describe physical safety?

Yes. For example, an insecure building or insecure border refers to lack of safety or protection.

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