Completely
Completely adverb - To a full extent or degree.
One and only and completely are semantically related In some cases you can use "One and only" instead an adverb "Completely".
One and only
One and only adjective - Eminent beyond or above comparison.
Completely and one and only are semantically related in particularly topic. Sometimes you can use "Completely" instead an adverb phrase "One and only".
Both terms in one sentence
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In the manga, when Gash's book first glows gold giving him the ability to use other demon's spells, it is Danny that saves him with his one and only spell, completely healing the thrashing that Gash received at the hands of Clear Note.
Source: Barrier Warrior -
There is also a possible issue of the core world colonies potentially being unwilling to completely merge with Earth Governance, which goes against Governance's edict of being one and only government for humanity, but then aliens showed up and the issue was placed on the backburner.
Source: Fan Fic / To the Stars - The Worf Barrage: Despite being over a hundred times more powerful than the original Krang, the one and only time the Tar-Aiym weapons platform is fired is in the last novel and it proves completely ineffective against the Great Evil.
Source: Literature / Humanx Commonwealth
Cite this Source
One and only and Completely. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/completely/one_and_only
Completely & One and only. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/completely/one_and_only>.
One and only or Completely. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/completely/one_and_only.
