be engaged in a fight; carry on a fight | stand up or offer resistance to somebody or something |
fight against or resist strongly | withstand the force of something |
make a strenuous or labored effort | refuse to comply |
exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for | express opposition through action or words |
| elude, especially in a baffling way |
| resist immunologically the introduction of some foreign tissue or organ |