telltale Synonyms

revealing telling indicative clue suggestive significant sneak stool pigeon chatterbox tabby warning unmistakable reviling tattler taleteller talebearer showing symptomatic sign squealer squeaker nark revelatory dead giveaway scandalizer communication leak giving away obvious clue unwitting disclosure exposure of secret unintentional disclosure blabberer yenta scandalmonger snitch stoolie blabbermouth tattletale gossipmonger rumormonger giveaway meaningful betraying corroborative damning delator deterration diagnostic distinctive emblematic