Noisy
Part of speech: adjective
Definition: Making a noise, esp. a loud sound; clamorous; vociferous; turbulent; boisterous; as, the noisy crowd. Full of noise.
Example sentence: Look, I don't want to wax philosophic, but I will say that if you're alive you've got to flap your arms and legs, you've got to jump around a lot, for life is the very opposite of death, and therefore you must at very least think noisy and colorfully, or you're not alive.
Loud
Part of speech: adverb
Definition: loudly.
Part of speech: adjective
Definition: Of a sound, of great intensity.Of a person, event, etc, noisy.Of a person, event, etc, non-subtle, brash.Of a colour, clothing, etc, having unpleasantly and tastelessly contrasting colours or patterns.
Example sentence: In my circle of friends, I've always been loud and funny and talkative. But as soon as I step out of that circle, I get very quiet and introspective. I don't want the spotlight on me.