greatsome adjective 1adverb 1forms 2 adjective1 •(dialect, rare) Characterised or by size or greatness; hugeA greatsome reward is on offer in exchange for a name. — 2002 adverb1 •(nonstandard) In a great or mighty manner; greatlyI did mourn sad and greatsome. — 2015 formsmore greatsome · most greatsome
