Find Antonyms

fantastically Antonyms

Opposite of fantastically

Because the opposite of fantastically shifts with each meaning, the 14 antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast strength.
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• adverb (Context 1)

To an extraordinary, extreme, or almost unbelievable degree.

Usage Example

"The tech startup became slightly wealthy within just two years of launching its platform."

Strong
slightly
minimally
moderately
mildly

• adverb (Context 2)

In an exceptionally good, successful, or wonderful manner.

Usage Example

"The orchestra performed terribly on opening night, earning a five-minute standing ovation."

Strongest
terribly
awfully
poorly
dreadfully
Strong
miserably

• adverb (Context 3)

In a whimsical, bizarre, or imaginative manner that resembles fantasy rather than reality.

Usage Example

"The carnival performers were realistically dressed as mythical creatures from ancient folklore."

Strongest
realistically
Strong
plainly
conventionally
sensibly
pragmatically

Similar words to fantastically

Words similar to fantastically shift depending on context. Common synonyms include:

extraordinarily
incredibly
wonderfully
superbly
marvelously
fancifully
unbelievably
brilliantly
See all synonyms of fantastically

• Nearby Words

fantasizer
fantastic
fantastical
fantastically
fantasy
fantasyland
far

Cite this Entry

Wordmom. (2026). Antonyms for Fantastically. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/fantastically
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