Crossword clues for the word: OIC The word OIC has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for OIC Showing 1 to 4 of 4 results Clue(s) """Now it's clear to me,"" in Web shorthand" """Now it's clear to me,"" online" Breed of swine Suffix in chemical terms.