Conditional (adjective)– used to refer to offers/agreements which
depends on something else being done.
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The offer of a place
on the business course at the university of my choice is conditional on/upon my passing all my exams.
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Since his help is
conditional on you giving him a
handsome reward, you might want to consider seeking help from your other
friends.
Condition (noun) – state
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The doctor says Linda’s
condition (= state of health) is improving by the day.
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Sam hasn’t slept
in almost 24 hours. He’s certainly in no condition
to drive home.
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This table clock
may be more than 30 years old, but it’s still in perfect condition.