wonderful vs terrific

wonderful and terrific both are adjectives.

Word	Noun	Adjective	Verb	Adverb
wonderful	No	Yes	No	No
terrific	No	Yes	No	No

As adjectives, wonderful and terrific are synonyms defined as:

wonderful and terrific: extraordinarily good or great; used especially as intensifiers

Other synonyms of wonderful include fantastic, grand, howling, marvellous, marvelous, phenomenal, rattling, tremendous, wondrous.

wonderful (adjective)	terrific (adjective)
extraordinarily good or great; used especially as intensifiers	causing extreme terror
	extraordinarily good or great; used especially as intensifiers
	very great or intense