Which makes resistance or offers opposition.
Which is not affected or overcome by a disease, drug, chemical or atmospheric agent, extreme of temperature, etc.
Not greatly influenced by individual members of a sample.
A person who resists; especially a member of a resistance movement.
A thing which resists.
Unwilling to yield or give up; dogged.
Having a good memory; retentive.
Holding together; cohesive.
Clinging to an object or surface; adhesive.