Old
Old adjective - Being of advanced years and especially past middle age.
Proficient and old are semantically related. In some cases you can use "Proficient" instead an adjective "Old".
Proficient
Proficient adjective - Having or showing exceptional knowledge, experience, or skill in a field of endeavor.
Usage example: a proficient rendition of a difficult piano piece
Old and proficient are semantically related. Sometimes you can use "Old" instead an adjective "Proficient".
Nearby Words: proficiency, proficiently
Both words in one sentence
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Child Prodigy: Fred is proficient at math, physics, and art at just seven-years-old.
Source: Film / Little Man Tate -
Celes is a proficient enough musician to convincingly pass for a world-renowned soprano after at most a few days of rehearsal, despite being an 18-year-old ex-general.
Source: Contrived Coincidence -
Korra stumbles across her home in the swamp in Season 4 and even in her old age she is no less proficient as an Earthbender.
Source: Never Mess with Granny
Cite this Source
Proficient and Old. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/old/proficient
Old & Proficient. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/old/proficient>.
Proficient or Old. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/old/proficient.
Google Ngram Viewer shows how "old" and "proficient" have occurred on timeline