Antonyms of adj terrific

3 senses of terrific

Sense 1
terrific -- (very great or intense; "a terrific noise"; "a terrific thunderstorm storm"; "fought a terrific battle")

INDIRECT (VIA intense) -> mild -- (moderate in type or degree or effect or force; far from extreme; "a mild winter storm"; "a mild fever"; "fortunately the pain was mild"; "a mild rebuke"; "mild criticism")

Sense 2
fantastic, grand, howling (prenominal), marvelous, marvellous, rattling (prenominal), terrific, tremendous, wonderful, wondrous -- (extraordinarily good or great ; used especially as intensifiers; "a fantastic trip to the Orient"; "the film was fantastic!"; "a howling success"; "a marvelous collection of rare books"; "had a rattling conversation about politics"; "a tremendous achievement")

INDIRECT (VIA extraordinary) -> ordinary -- (not exceptional in any way especially in quality or ability or size or degree; "ordinary everyday objects"; "ordinary decency"; "an ordinary day"; "an ordinary wine")

Sense 3
terrific, terrifying -- (causing extreme terror; "a terrifying wail")

INDIRECT (VIA alarming) -> unalarming -- (not alarming; assuaging alarm)

Similarity of adj terrific

3 senses of terrific

Sense 1
terrific -- (very great or intense; "a terrific noise"; "a terrific thunderstorm storm"; "fought a terrific battle")
       => intense (vs. mild) -- (possessing or displaying a distinctive feature to a heightened degree; "intense heat"; "intense anxiety"; "intense desire"; "intense emotion"; "the skunk's intense acrid odor"; "intense pain"; "enemy fire was intense")

Sense 2
fantastic, grand, howling (prenominal), marvelous, marvellous, rattling (prenominal), terrific, tremendous, wonderful, wondrous -- (extraordinarily good or great ; used especially as intensifiers; "a fantastic trip to the Orient"; "the film was fantastic!"; "a howling success"; "a marvelous collection of rare books"; "had a rattling conversation about politics"; "a tremendous achievement")
       => extraordinary (vs. ordinary) -- (beyond what is ordinary or usual; highly unusual or exceptional or remarkable; "extraordinary authority"; "an extraordinary achievement"; "her extraordinary beauty"; "enjoyed extraordinary popularity"; "an extraordinary capacity for work"; "an extraordinary session of the legislature")

Sense 3
terrific, terrifying -- (causing extreme terror; "a terrifying wail")
       => alarming (vs. unalarming) -- (frightening because of an awareness of danger)