Definitions:

1. the action of opposing something that you disapprove or disagree with noun
   • I encountered a general feeling of resistance from many citizens.
2. the capacity of an organism to defend itself against harmful environmental agents noun
   • these trees are widely planted because of their resistance to salt and smog
3. the military action of resisting the enemy's advance noun
   • the enemy offered little resistance

Synonyms:

• electric resistance
• electrical resistance
• immunity
• impedance
• ohmic resistance
• opposition
• resistivity
• resistor
• underground