Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun squealer

2 senses of squealer

Sense 1
informer, betrayer, rat, squealer, blabber -- (one who reveals confidential information in return for money)
       => informant, source -- (a person who supplies information)

Sense 2
hog, pig, grunter, squealer, Sus scrofa -- (domestic swine)
       => swine -- (stout-bodied short-legged omnivorous animals)