The 'certain' groupThese adjectives indicate that someone or something will or may do something, or will not or may not do something.This includes adjectives which indicate:
that something will certainly or probably happen e.g. certain, likely
that something often happens e.g. apt, wont
that someone should do something e.g. duty-bound, obligated
that something is intended to do something e.g. built, calculated
(Note that the phrases be bound to, be liable to, be meant to, and be sure to are treated as phrases in the Collins Cobuild English Dictionary and as phrasal modals in the Collins Cobuild Grammar Patterns 1: Verbs.)
about apt bound built calculated (not) calculated certain destined doomed due duty-bound fated favoured guaranteed liable likely meant obligated obliged prone ready set sure unlikely wont
I'm about to take off on a three-week vacation to the eastern Caribbean.
Baby girls are apt to show fear of new things and novel situations earlier than baby boys.
The Labour Party, he says, looks increasingly certain to win the next election.
I joined social work with high ideals and now feel duty-bound to stay in the job.