In a manner of enormous size, scale, or impressiveness; to a gigantic degree.
The adverbial form of 'gigantic,' created by adding '-ally' to the adjective. This standard English adverb formation allows 'gigantic' to modify verbs and other descriptions.
Adding '-ally' to adjectives to make adverbs is one of English's most productive patterns—you can apply it to almost any adjective and instantly create a valid adverb, which is why English can feel both predictable and full of possibilities!
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