Crossword clues for the word: USU The word USU has appeared as an answer to at least 12 crossword clues on different crossword puzzles. Crossword clues for USU Showing 1 to 12 of 12 results Clue(s) "As a rule, in the dict." "Most of the time, in dicts." Ally front As a rule: Abbr. Customarily: Abbr. Freq. Generally: Abbr. In most cases: Abbr. In most instances: abbr. Japanese volcano that has recently erupted Most of the time: abbr. Ordinarily: Abbr.