Tiny
Tiny adjective - Very small in size.
Underweight and tiny are semantically related. In some cases you can use "Underweight" instead an adjective "Tiny".
Underweight
Underweight adjective - Having little weight.
Usage example: the long illness left him frail and underweight
Tiny and underweight are semantically related. Sometimes you can use "Tiny" instead an adjective "Underweight".
Mutual synonyms
Both words in one sentence
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An underweight failing newborn was saved by a hug from her tiny twin sister in this unspeakably adorable story from 1995.
Source: The Power of Love
Cite this Source
Underweight and Tiny. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/tiny/underweight
Tiny & Underweight. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/tiny/underweight>.
Underweight or Tiny. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/tiny/underweight.
Google Ngram Viewer shows how "tiny" and "underweight" have occurred on timeline