しーっ shh! Meanings しーっ · シーッ interjection shh!; shush!; hush! shoo!; scram! In sentences Furigana しーっ、声こえが大おおきい。 Shh, you're speaking too loudly. #75148 しーっ、聞きこえちゃうってば。 Shhh, she'll hear you! #76690