English UsageGrammar guide

Confident In: Standard Pattern

Confident In: Standard Pattern records a directly documented English construction and keeps guidance bounded to the evidenced pattern rather than turning one attested complement into a universal prohibition.

Quick answer

Use “confident in” when expressing trust or assurance in a person, yourself, an ability, or a capacity.

Key details

Confusion Familyusage-construction
Rule Familyadjective or complement construction
Termsconfident in

Choose the right form

Decision table for Confident In: Standard Pattern
Meaning / situationForm / constructionDecision
trust or assurance in a personconfident in + personUse “in” before the person whose judgment or ability is trusted.
trust or assurance in an ability, system, or capacityconfident in + ability/systemUse “in” before the capacity or thing trusted.
confidence about a topic or outcomeconfident about/of + complementUse the pattern that matches topic or result rather than forcing “in.”

Quick tests

Meaning / construction test

Is the complement the person, ability, or capacity in which trust is placed?

If yes: Use “confident in” before that complement.

If no: If the complement is a topic or an expected outcome, compare “confident about” or “confident of” instead.

Caveat: Choose by the documented meaning or construction; a different pattern may be valid in a different sentence structure or variety.

Examples

Example

The coach is confident in the team.

The team is the object of trust.

Example

She is confident in her ability to explain the process.

“In” introduces the ability being trusted.

Example

We feel confident about tomorrow’s meeting.

Here the meeting is a topic, so “about” fits instead.

Further guidance

Construction

Use “confident in” when expressing trust or assurance in a person, yourself, an ability, or a capacity.

Style Boundary

Cambridge also documents “confident about,” “confident of,” and that-clauses; “in” is one standard complement, not the only one.

Sources and evidence

Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.

  1. Confident (opens in a new tab)Cambridge University Press · Direct learner-dictionary evidence for confident about and confident of constructions.

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