Frequency: The word is one of the 1500 most common words in English.
1.
If something happens ~, it happens without any delay.
He ~ flung himself to the floor...
Ingrid answered Peter’s letter ~.
ADV: ADV with v
2.
If something is ~ obvious, it can be seen or understood without any delay.
The cause of the accident was not ~ apparent.
= instantly
ADV: ADV adj
3.
Immediately is used to indicate that someone or something is closely and directly involved in a situation.
The man ~ responsible for this misery is the province’s governor...
ADV: ADV adj/-ed
4.
Immediately is used to emphasize that something comes next, or is next to something else.
She always sits ~ behind the driver...
= directly
ADV: ADV prep/adj
5.
If one thing happens ~ something else happens, it happens after that event, without any delay. (mainly BRIT)
Immediately I’ve done it I feel completely disgusted with myself.
CONJ