Adjective
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extreme in degree or extent or amount or impact
"in a frightful hurry"
"spent a frightful amount of money"
-
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"
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extraordinarily large in size or extent or amount or power or degree
"an enormous boulder"
"enormous expenses"
"tremendous sweeping plains"
"a tremendous fact in human experience
that a whole civilization should be dependent on technology"- Walter Lippman
"a plane took off with a tremendous noise"