Crossword clues for the word: TENACIOUS The word TENACIOUS has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for TENACIOUS Showing 1 to 9 of 9 results Clue(s) (adj.) built like Bo Derek Determined action - sue for reconstruction Dogged Holding firmly. Like bulldogs Number on account is associated with debts of resolute patient type Obstinate Stick-to-it-ive Use action mistaken as firm