Fantastically
Fantastically adverb - To a great degree.
Unbelievably and fantastically are semantically related. In some cases you can use "Unbelievably" instead an adverb "Fantastically".
Unbelievably
Unbelievably adverb - Not easy to believe.
Show all Definitions
Synonyms for Unbelievably
Fantastically and unbelievably are semantically related. Sometimes you can use "Fantastically" instead an adverb "Unbelievably".
Mutual synonyms
Related pairs
- much and fantastically
- much and unbelievably
- very and fantastically
- very and unbelievably
- greatly and fantastically
- greatly and unbelievably
- uncommonly and fantastically
- uncommonly and unbelievably
- extremely and fantastically
- extremely and unbelievably
- really and fantastically
- really and unbelievably
- rarely and fantastically
- rarely and unbelievably
Both words in one sentence
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Foreshadowing:Kirk: We don't know if they have similar appearances, but they should all exhibit reality-warping powers... Fantastically and unbelievably capable, playing by their own rules with little to no consequence, and doing things that just shouldn't be possible.Dr.
Source: Webcomic / Ensign Sue Must Die
Cite this Source
Unbelievably and Fantastically. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fantastically/unbelievably
Fantastically & Unbelievably. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fantastically/unbelievably>.
Unbelievably or Fantastically. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fantastically/unbelievably.
Google Ngram Viewer shows how "fantastically" and "unbelievably" have occurred on timeline