Antonyms of adj newfound
1 sense of newfound
Sense 1
newfound -- (newly discovered; "his newfound aggressiveness"; "Hudson pointed his ship down the coast of the newfound sea")
INDIRECT (VIA new) -> old -- (of long duration; not new; "old tradition"; "old house"; "old wine"; "old country"; "old friendships"; "old money")
Similarity of adj newfound
1 sense of newfound
Sense 1
newfound -- (newly discovered; "his newfound aggressiveness"; "Hudson pointed his ship down the coast of the newfound sea")
=> new (vs. old) -- (not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered; "a new law"; "new cars"; "a new comet"; "a new friend"; "a new year"; "the New World")