1. 反对的;抵制的;抗拒的
Someone who is resistant to something is opposed to it and wants to prevent it.

2. 有抵抗力的;不受…损害的
If something is resistant to a particular thing, it is not harmed by it.

1. incapable of absorbing or mixing with

e.g. a water-repellent fabric
plastic highly resistant to steam and water

Synonym: repellent

2. disposed to or engaged in defiance of established authority

Synonym: insubordinateresistive

3. impervious to being affected

e.g. resistant to the effects of heat
resistant to persuasion

4. relating to or conferring immunity (to disease or infection)

Synonym: immune

5. able to tolerate environmental conditions or physiological stress

e.g. the plant is tolerant of saltwater
these fish are quite tolerant as long as extremes of pH are avoided
the new hybrid is more resistant to drought

Synonym: tolerant