intervene
inter|vene /'ɪntərv'iːn/ (intervenes intervening intervened)
1 [VERB] V, V in n
If you intervene in a situation, you become involved in it and try to change it.
The situation calmed down when police intervened...
The Government is doing nothing to intervene in the crisis.
2 [VERB] V, V with quote
If you intervene, you interrupt a conversation in order to add something to it.
Hattie intervened and told me to stop it...
`I've told you he's not here,' Irena intervened.
3 [VERB] V
If an event intervenes, it happens suddenly in a way that stops, delays, or prevents something from happening.
The South African mailboat arrived on Friday mornings unless bad weather intervened...
1 [VERB] V, V in n
If you intervene in a situation, you become involved in it and try to change it.
The situation calmed down when police intervened...
The Government is doing nothing to intervene in the crisis.
2 [VERB] V, V with quote
If you intervene, you interrupt a conversation in order to add something to it.
Hattie intervened and told me to stop it...
`I've told you he's not here,' Irena intervened.
3 [VERB] V
If an event intervenes, it happens suddenly in a way that stops, delays, or prevents something from happening.
The South African mailboat arrived on Friday mornings unless bad weather intervened...