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adj.
without profit or reward; "let us have no part in profitless quarrels"- D.D.Eisenhower; "How weary, flat, stale, and unprofitable / Seem to me all the uses of this world"- Shakespeare
adj.
widely known and esteemed; "a famous actor"; "a celebrated musician"; "a famed scientist"; "an illustrious judge"; "a notable historian"; "a renowned painter"