Synonyms of rat

rat 1 of 2

noun

ˈrat 

1

as in informant

a person who provides information about another's wrongdoing

the drug mule refused to turn rat without a guarantee of immunity

Synonyms & Similar Words

• informant
• informer
• canary
• reporter
• snitch
• stoolie
• betrayer
• squealer
• tattletale
• stool pigeon
• tattler
• fink
• snitcher
• nark
• rat fink
• spy
• telltale
• deep throat
• talebearer
• snoop
• gossiper
• tipster
• notifier
• leaker
• blabbermouth
• discloser
• snooper
• whistleblower
• gossip
• exposer
• blabber

2

as in lover

someone who regularly spends time in a particular place

on Friday night the mall rats were out in full force

Synonyms & Similar Words

• lover
• fan
• familiar
• denizen
• patron
• guest
• client
• customer
• regular
• habitué
• haunter
• frequenter
• enthusiast
• bug
• maniac
• addict
• freak
• devotee
• fanatic
• buff
• fiend
• nut
• aficionado
• fancier

3

as in bastard

a person whose behavior is offensive to others

no one can understand what she finds appealing in a rat like him

Synonyms & Similar Words

• bastard
• dog
• jerk
• clown
• skunk
• snake
• joker
• toad
• vermin
• creep
• beast
• idiot
• louse
• swine
• moron
• heel
• reptile
• brute
• bugger
• varmint
• brat
• scumbag
• villain
• hound
• fool
• fink
• cad
• scum
• buzzard
• rotter
• stinker
• cur
• cretin
• slime
• schmuck
• pill
• blighter
• boor
• nuisance
• sod
• lout
• bounder
• so-and-so
• dirtbag
• slob
• barbarian
• scuzzball
• son of a gun
• chuff
• crud
• slimeball
• sleaze
• bleeder
• crumb
• sleazebag
• savage
• rat fink
• stinkard
• sleazeball
• nerd
• churl
• wretch
• scoundrel
• rogue
• lowlife
• caveman
• scab
• loudmouth
• rascal
• Neanderthal
• booby
• vulgarian
• imbecile
• miscreant
• scamp
• dolt
• dope
• pest
• turkey
• jackass
• goon
• blockhead
• roughneck
• ninny
• snot
• nut
• nincompoop
• airhead
• snob
• nitwit
• schmo
• nit
• doofus
• insolent
• dink
• dork
• snip
• half-wit
• dweeb
• birdbrain
• snoot

Antonyms & Near Antonyms

• hero
• gentleman
• lady
• heroine
• idol
• role model
• saint
• angel

rat

2 of 2

verb

as in to leak

Related Words

• leak
• talk
• expose
• tip (off)
• warn
• tattle
• give away
• squeal
• inform
• betray
• tell
• spill
• reveal
• wise (up)
• say
• communicate
• whisper
• proclaim
• publish
• divulge
• breathe
• broadcast
• disclose
• impart
• blab
• declare
• announce
• recognize
• accept
• break
• yield
• unveil
• confirm
• own (up to)
• unload
• profess
• affirm
• confess
• avow
• admit
• grant
• acknowledge
• concede
• disburden
• allow
• unburden
• agree
• fess (up)

Dissimilar Words

• deny
• negative
• dispute
• hide
• reject
• contradict
• disclaim
• veil
• disallow
• disavow
• conceal
• negate
• refute
• disown
• repudiate
• obscure
• cover (up)
• rebut
• gainsay
• kid (oneself)

Example Sentences

Recent Examples of rat

Noun

The Ojai Raptor Center said test results are still pending for possible exposure to lead, zinc and rodenticides, commonly known as rat poisons. — Rene Ray De La Cruz, USA Today, 22 July 2026

Non-breeding mole-rat females are known to run high on prolactin, a hormone that also suppresses fertility during lactation in nursing mammals. — Jacek Krywko, ArsTechnica, 21 July 2026

But Argentine scientists who tested rats for the Andes hantavirus in the area recently ruled out Ushuaia as the source of the outbreak — to the relief of the Antarctic cruise hub heavily reliant on foreign tourism. — ABC News, 21 July 2026

When rats took over a park in an upscale neighborhood in Lima, Peru, cats were brought in to solve the problem. — Evie Carrick, Travel + Leisure, 18 July 2026

Phrases Containing rat

• rat (on)
• rat fink