Crossword clues for the word: SHELLACS The word SHELLACS has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for SHELLACS Showing 1 to 7 of 7 results Clue(s) Beats all hollow Beats badly Defeats decisively: Colloq. Finishes, as wood Handily defeats, or puts a varnish on Resin products. Resins.