How do you say totally in British?

What is the meaning of totally?

: in a total manner : to a total or complete degree : wholly, entirely.

Is the T silent in exactly?

In practice, yes it is virtually silent unless one makes a special effort to pronounce it. When we have a consonant cluster here /ktl/ one sound is often not heard. The linguistice term for it is “dissimilation”.

How do you say literally in an American accent?