Companion
Companion noun - A person frequently seen in the company of another.
One and only and companion are semantically related In some cases you can use "One and only" instead a noun "Companion".
Nearby Words: companionable, companionship, companioned
One and only
One and only adjective - Eminent beyond or above comparison.
Companion and one and only are semantically related in person whom another loves topic. Sometimes you can use "Companion" instead a noun phrase "One and only".
Mutual synonyms
Both terms in one sentence
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While fiction tends to portray Eva Braun as Hitler's one and only female companion, she was merely one of several mistresses for most of their relationship.
Source: Characters / Nazi Germany - In one episode of the 1980s Astroboy, the titular robot is taken back in time, along with his sister Uran, the one and only Black Jack and the doctor's assistant/companion Pinoko, in order to save the main character from Princess Knight.
Source: Cross Over / Anime and Manga
Cite this Source
One and only and Companion. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/companion/one_and_only
Companion & One and only. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/companion/one_and_only>.
One and only or Companion. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/companion/one_and_only.
