"largeness" in the noun sense
1. breadth, comprehensiveness, largeness
the capacity to understand a broad range of topics
"a teacher must have a breadth of knowledge of the subject"
"a man distinguished by the largeness and scope of his views"
2. largeness, extensiveness
large or extensive in breadth or importance or comprehensiveness
"the might have repercussions of unimaginable largeness"
"the very extensiveness of his power was a temptation to abuse it"
3. largeness, bigness
the property of having a relatively great size
4. pretentiousness, pretension, largeness
the quality of being pretentious (behaving or speaking in such a manner as to create a false appearance of great importance or worth)
Source: WordNet® (An amazing lexical database of English)
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