preempt

1 ENTRIES FOUND:
preempt /priˈɛmpt/ verb
preempts; preempted; preempting
preempt
/priˈɛmpt/
verb
preempts; preempted; preempting
Britannica Dictionary definition of PREEMPT
[+ object]
1 
formal : to prevent (something) from happening
2 
formal : to take the place of (something)
3 
US : to be shown instead of (another television program)

— preemption

/priˈɛmpʃən/ noun, plural preemptions
[noncount]
[count]