{et_link|sarc(asm)|sarcasm} + -astic, by analogy with other Greek-derived words where the suffixes -asm and -astic imply one another (as enthusiasmenthusiastic)
sarcasticsatiricironicsardonic mean marked by bitterness and a power or will to cut or sting. sarcastic implies an intentional inflicting of pain by deriding, taunting, or ridiculing. satiric implies that the intent of the ridiculing is censure and reprobation.