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terrific; staggering; tremendous; incredible; extreme
frightful; ghastly; horrific; terrible; awful; gruesome; eerie
昨夜はものすごい風が吹いていた。
There was a tremendous wind blowing last night.
昨夜の雷の音はものすごかった。
The sound of thunder last night was tremendous.
噂ほど行列はものすごくなかった。
The line wasn't as extreme as the rumors suggested.