what's the difference between caustic, irreverent, and satirical writing?

Question

their meanings all sound similar to each other(sarcastic/irony)

Answer 1

Caustic - inflammatory (a "roast" or put down, make fun of).
Irreverent - to joke at the expense of religion, God, or anything sacred.
Satirical - a literary style in which human vice or folly is attacked through irony, derision, or wit. (to joke at someone's mistake.)