Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
grandness is a noun meaning "a prominent status". It carries 4 recorded senses.
unusual largeness in size or extent or number
the quality of being magnificent or splendid or grand
“for magnificence and personal service there is the Queen's hotel”
“his `Hamlet' lacks the brilliance that one expects”
“it is the university that gives the scene its stately splendor”
“an imaginative mix of old-fashioned grandeur and colorful art”
“advertisers capitalize on the grandness and elegance it brings to their products”
splendid or imposing in size or appearance
“the grandness of the architecture”
“impressed by the richness of the flora”
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 grandness come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.