Less than
Smaller than and less than are semantically related. In some cases you can use "Smaller than" instead a preposition phrase "Less than".
Smaller than
Less than and smaller than are semantically related. You can use "Less than" instead a preposition phrase "Smaller than".
Mutual synonyms
Both terms in one sentence
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An inhabitable planet that is far smaller than astronomically possible, often less than a few functional miles in diameter.
Source: Baby Planet - Baby Planet An inhabitable planet that is far smaller than astronomically possible, often less than a few functional miles in diameter.
Source: Planetary Tropes -
If it does less than 500 HP of damage, it looks smaller than a dagger.
Source: Laser Blade
Cite this Source
Smaller than and Less than. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/less_than/smaller_than
Less than & Smaller than. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/less_than/smaller_than>.
Smaller than or Less than. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/less_than/smaller_than.
Google Ngram Viewer shows how "less than" and "smaller than" have occurred on timeline