say it: SMAWL-nuhs
smallness is a noun meaning "the property of having a relatively small size". It carries 4 recorded senses.
the property of having a relatively small size
the property of being a relatively small amount
“he was attracted by the smallness of the taxes”
the property of having relatively little strength or vigor
“the smallness of her voice”
lack of generosity in trifling matters
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for smallness come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.