Antonyms for lenient
hateful, merciless, hard, intolerant, limiting, restrictive
Antonyms for borrow
forfeit, lose, give, lend, pay, return
Antonyms for ancient
current, fresh, modern, new, young
Antonyms for introvert
extrovert
Antonyms for rejoice
be sad
Antonyms for sympathy
apathy, cruelty, harshness, hatred, meanness, misunderstanding