oscillate

1 ENTRIES FOUND:
oscillate /ˈɑːsəˌleɪt/ verb
oscillates; oscillated; oscillating
oscillate
/ˈɑːsəˌleɪt/
verb
oscillates; oscillated; oscillating
Britannica Dictionary definition of OSCILLATE
[no object]
1 
: to move in one direction and then back again many times
2 
formal : to keep changing from one belief, feeling, condition, etc., to an opposite one — usually + between
3 
technical : to change in strength or direction regularly