Extremely
Extremely adverb - To a great degree.
Once in a while and extremely are semantically related. In some cases you can use "Once in a while" instead an adverb "Extremely".
Once in a while
Once in a while adverb - Now and then or here and there.
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Synonyms for Once in a while
Extremely and once in a while are semantically related. Sometimes you can use "Extremely" instead an adverb phrase "Once in a while".
Mutual synonyms
Both terms in one sentence
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However, it pops up once in a while: In The Uplift War Robert, son of the human governor of Garth, becomes seriously attracted to Athaclena, the Tymbrimi ambassador's daughter — partly due to the Tymbrimi's extremely humanoid appearance and the near total disappearance of Garth's human population.
Source: Literature / Uplift -
One of those selectable monsters is Bloody Mary, a pale, stringy-haired ghost girl in a tattered white dress, who walks extremely slowly, teleports randomly around, and once in a while flies into a bloody frenzy, murdering anyone in the near vicinity.
Source: Stringy-Haired Ghost Girl -
This 20-round handgun has to reload every once in a while, but ammo is extremely plentiful, its shots hit a lot harder harder than the Minigun (which uses the same ammo as it does), and in primary fire, it's pinpoint accurate.
Source: Punch-Packing Pistol
Cite this Source
Once in a while and Extremely. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/extremely/once_in_a_while
Extremely & Once in a while. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/extremely/once_in_a_while>.
Once in a while or Extremely. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/extremely/once_in_a_while.