First digit
Thumb and first digit are semantically related In some cases you can replace term "Thumb" with "First digit", this terms are similar.
Thumb
Thumb noun - The thick short innermost digit of the forelimb.
First digit and thumb are semantically related in digit topic. You can use "First digit" instead a noun "Thumb".
Nearby Words: thumbed, thumbing
Mutual synonyms
Both terms in one sentence
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In the short story "Johnny Mnemonic," a yakuza assassin has a monomolecular whip attached to the first digit of his thumb.
Source: Razor Floss
Cite this Source
Thumb and First digit. (2017). Retrieved 2026, July 22, from https://thesaurus.plus/related/first_digit/thumb
First digit & Thumb. N.p., 2017. Web. 22 Jul. 2026. <https://thesaurus.plus/related/first_digit/thumb>.
Thumb or First digit. 2017. Accessed July 22, 2026. https://thesaurus.plus/related/first_digit/thumb.
Google Ngram Viewer shows how "first digit" and "thumb" have occurred on timeline