ownself adverb 1pronoun 1 adverb1 •(Singlish) On one's own; on one's own initiative; single-handedly.You ownself go and ask her if can or not—if cannot, then bo pian lor. pronoun1 •(Southern-US, Singlish) (One's) self; used with a preceding possessive adjective to form a pronominal phrase.You may be ashamed of your ownself, to disturb People at this Time of Night. — 1749