Synonyms of the word 
BULKINESS → BIGNESS - LARGENESS - MASSIVENESS
bulkiness
- n. The characteristic of being bulky, or of having bulk.
bigness
- n. The characteristic of being big.
- n. (obsolete) Size.
largeness
- n. (obsolete) Liberality; generosity.
- n. The property of being physically large.
- n. The quality of not being limited or constrained; having great scope.
massiveness
- n. The property of being massive.
If you are interested in words, visit the following sites :
- wiktionary.org/bulkiness For complete definition of a word
- 1word.ws/bulkiness to play with words, suffixs, prefixs, etc.