A/one hundred per cent
adverb
Completely or absolutely.
I am one hundred per cent sure that he is innocent.

Often appears as...
- one hundred per cent sure
- one hundred per cent certain
adjective
Full or entire.
The test result shows one hundred per cent compatibility.

Often appears as...
- one hundred per cent compatibility
- one hundred per cent accuracy
Usage tips
Technical
adverb
Completely agree or support something.
I am with you one hundred per cent on this issue.

Often appears as...
- with you one hundred per cent
- support one hundred per cent
Usage tips
Colloquial
adverb
Completely or absolutely.
I am one hundred per cent sure that he is innocent.

Often appears as...
- one hundred per cent sure
- one hundred per cent certain
adjective
Full or entire.
The test result shows one hundred per cent compatibility.

Often appears as...
- one hundred per cent compatibility
- one hundred per cent accuracy
Usage tips
Technical
adverb
Completely agree or support something.
I am with you one hundred per cent on this issue.

Often appears as...
- with you one hundred per cent
- support one hundred per cent
Usage tips
Colloquial
Definition 1 of 3

Expressing Certainty
Use it when you're completely sure about something without any doubt.

She passed her driving test with one hundred per cent certainty.
Strong Agreement
Shows total agreement with someone else's opinion or statement.

Yes, I'm one hundred per cent in agreement with your plan.
Emotional Emphasis
Adds emotional weight, showing enthusiasm or strong feelings on a subject.

He's one hundred per cent excited about the upcoming trip.
Expressing Certainty
Use it when you're completely sure about something without any doubt.

She passed her driving test with one hundred per cent certainty.
Strong Agreement
Shows total agreement with someone else's opinion or statement.

Yes, I'm one hundred per cent in agreement with your plan.
Emotional Emphasis
Adds emotional weight, showing enthusiasm or strong feelings on a subject.

He's one hundred per cent excited about the upcoming trip.
Expressing Certainty
Use it when you're completely sure about something without any doubt.

She passed her driving test with one hundred per cent certainty.
Strong Agreement
Shows total agreement with someone else's opinion or statement.

Yes, I'm one hundred per cent in agreement with your plan.
Emotional Emphasis
Adds emotional weight, showing enthusiasm or strong feelings on a subject.

He's one hundred per cent excited about the upcoming trip.
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