opposable

English

Etymology

oppose +‎ -able

Adjective

opposable (comparative more opposable, superlative most opposable)

1. Capable of being opposed or resisted.
2. Capable of being placed opposite something else.

   The thumb is opposable to the forefinger.

Antonyms

• (capable of being resisted): unopposable
• (capable of being placed opposite): nonopposable