Synonyms for binding

modified

1. Tying

   restraining, confining, limiting, restrictive; see tying.

2. Imposing adherence

   obligatory, compulsory, requisite, required; see necessary 1.

noun

1. The act of joining

   merging, coupling, junction; see union 1.

2. Anything used to bind

   tie, adhesive, fastener; see adhesive, band 2, rope, wire 1.

3. A cover

   wrapper, jacket, book cover; see cover 1, 2.