entireness

NOUN
10 LETTERS · 3 SYLLABLES · STARTS WITH E

entireness is a valid 10-letter word worth 10 points in Scrabble and 12 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
E1N1T1I1R1E1N1E1S1S1
1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =10 PTS
DOUBLE WORD → 20TRIPLE WORD → 30
MEANING

What does entireness mean?