Crossword clues for the word: INDEF The word INDEF has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for INDEF Showing 1 to 8 of 8 results Clue(s) "Like the articles ""a"" and ""an"": Abbr." Gram. article Grammar article: Abbr. Kind of article (abbr.) Like some articles: Abbr. Like the article "a" or "an": Abbr. Type of article: Abbr. Undetermined: Abbr.