adjective
an adjective describes a noun or pronoun, in this case 'terrific' describes something that is extremely good or impressive
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The presentation was terrific, with well-researched data and clear conclusions.
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I had a terrific time at the concert last night, the band was amazing!
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That new restaurant downtown is supposed to be terrific, we should check it out.
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The view from the top of the mountain was absolutely terrific, it took my breath away.