To struggle or exert oneself to obtain or retain possession of, or to defend.
To be in opposition; to contest; to dispute; to vie; to quarrel; to fight.
To be in debate; to engage in discussion; to dispute; to argue.
To believe (something is reasonable) and argue (for it); to advocate.
contend with: To try to cope with a difficulty or problem.
To get involved or involve oneself, causing disturbance.
To sexually molest, especially of a child.
(of waves) To be correlated with each other when overlapped or superposed.
To strike one foot against the opposite foot or ankle in using the legs.