An archaic or variant spelling of 'fulfill,' meaning to complete, satisfy, or bring something to an end.
Old English and Middle English variant of 'fulfill,' from 'full' (complete) and 'fill,' originally meaning to make full or complete. The double-l spelling reflects French influence on English spelling conventions.
The spelling 'fullfil' shows us how English spelling used to be much more flexible—people weren't trying to be incorrect, they just hadn't standardized which letters to double yet!
Complete word intelligence in one call. Free tier — 50 lookups/day.