An archaic or variant spelling of fullness; the quality or state of being full, complete, or abundant.
From Old English fullnes, combining full with the -ness suffix. The modern spelling 'fullness' has replaced this variant, though fulness still appears in older texts and some proper names.
Shakespeare used 'fulness,' but by modern times we standardized it to 'fullness'—it's a spelling change that happened because people found double-l more natural to read.
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