psst /psː(t)/exclamation 4verb 1forms 3 exclamation4 •Used to imply that the speaker is sending secret or whispered information to another person.Psst, John, don’t tell anyone, but I’ve got lots of candy stashed away. •Used to request silence. •Imitating a spray. •Used to call animals. verb1 •(informal) To say psst, to get someone's attention or to communicate with them.and I was just rounding the fourth-floor landing when Claudia pssted at me — 2015 formspssted · pssting · pssts