Bound
/ˈbaʊnd/
verb
To tie; to confine by any ligature.
To cohere or stick together in a mass.
“Just to make the cheese more binding”
To be restrained from motion, or from customary or natural action, as by friction.
“I wish I knew why the sewing machine binds up after I use it for a while.”
Synonyms: bandage, dress, fasten, fetter, make fast, restrain, tie, indenture
adjective
(with infinitive) Obliged (to).
“You are not legally bound to reply.”
(of a morpheme) That cannot stand alone as a free word.
(of a variable) Constrained by a quantifier.