disadvantageousnesses

The word disadvantageousnesses uses 21 letters:aaaddeeeginnossssstuv.

DISADVANTAGEOUSNESSES is playable in:

Words With Friends32
Scrabble US
Scrabble UK

disadvantageousnesses is a valid word in this word list. For a definition, see the external dictionary links below.

Try a search for disadvantageousnesses in these online resources (some words may not be found):
Wiktionary - OneLook Dictionaries - Merriam-Webster - Google Search
Each search will normally open in a new window.