loud2 comparative louder, superlative loudest
in a way that makes a lot of noise [= loudly]:
Could you speak a little louder?
You've got the telly on too loud.
in a way that is very easy to understand:
The message came through loud and clear.
in such a way that people can hear you [= aloud]:
Read it out loud, so we can all hear.
Harriet laughed out loud in astonishment.