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We found 12 dictionaries with English definitions that include the word heftiness: Click on the first link on a line below to go directly to a page where "heftiness" is defined. General (11 matching dictionaries) heftiness: Collins English Dictionary [home, info] heftiness: Vocabulary.com [home, info] heftiness: Merriam-Webster's Online Dictionary, 11th Edition [home, info] heftiness: Wiktionary [home, info] heftiness: Dictionary.com [home, info] heftiness: Rhymezone [home, info] heftiness: Free Dictionary [home, info] heftiness: Mnemonic Dictionary [home, info] heftiness: WordNet 1.7 Vocabulary Helper [home, info] heftiness: LookWAYup Translating Dictionary/Thesaurus [home, info] heftiness: Dictionary/thesaurus [home, info] Computing (1 matching dictionary) heftiness: Encyclopedia [home, info] (Note: See hefty for more definitions.)

Quick definitions from WordNet (heftiness) ▸ noun:  the property of being large in mass ▸ Also see hefty