bound to do something Definition

bound¹
adj

1. Tied with or as if with a rope or other binding.

Thesaurus: tied up, chained, fettered, shackled, manacled, handcuffed, pinioned, tethered, secured, roped, hogtied, trussed up.
2. Restricted to or by the specified thing.

Example: housebound
Example: snowbound
3. Obliged.

Thesaurus: obligated, obliged, impelled, beholden, committed, compelled, constrained, liable, duty-bound, required; Antonym: free, independent.
4. Said of a book: fastened with a permanent cover.

verb, past participle of

1. bind

Idiom: bound to do something

Certain or obliged to do it.
Example: It is bound to happen
Example: We are bound to comply
Example: I feel bound to help

Idiom: bound up with something

Closely linked with it. See also bind.

Etymology: 14c, meaning ‘confined by bonds', ‘in prison'.