Crossword clues for the word: OPPO The word OPPO has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for OPPO Showing 1 to 9 of 9 results Clue(s) "Sweetheart, British style" Chinese smartphone brand Go __: hit to right field batting right-handed, say, in baseball lingo Investigations into rival pols Partner you can always back up Research into a political foe's weaknesses, in slang Sweetheart: Brit. slang. The other side, for short Workmate unaffected by turnover