oppositional

adjective

op·​po·​si·​tion·​al

-shnəl

1

: relating to or constituting opposition

oppositional activities

2

: acting in opposition to one another

oppositional alleles

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now