bound

[Over the top]

If he didn't get here first, I reasoned, someone was bound to see my crumpled vehicle at the bottom of a slope beside a busy road

What does bound mean here?

[nyota]

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I'm not a teacher
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It means that it was more than likely that someone would see his vehicle.

be bound to - to be very likely to do or feel a particular thing:
Don't lie to her. She's bound to find out.

it is bound to be (=used to say that something should have been expected)
'It's hot!' 'Well, it was bound to be, I just took it out of the oven.'
When you are dealing with so many patients, mistakes are bound to happen.

Longman - bound

[buggles]

If he didn't get here first, I reasoned, someone was sure/certain to see my crumpled vehicle at the bottom of a slope beside a busy road

What does bound mean here?

buggles (not a teacher)