English dictionary, thesaurus, translations & etymology

adj

perfidious

Quiz me More like this

Perfidious (adj) means betraying the trust or loyalty that someone rightly expected from you.

adj

1

Betraying the trust or loyalty that someone rightly expected from you.

Vocabulary Flow

Build your vocabulary from words like perfidious.

Vocabulary Flow serves the next word, and the next — meaning, pronunciation and an example each time. Practice at your level, or learn English in your own language.

Start vocabulary practice

C2 · Advanced serendipity Fortunate discoveries made entirely by accident.

Gen Z slang rizz Charm — the ability to attract a romantic interest.

B2 · Intermediate empathy The capacity to share another person’s feelings.

C1 · Advanced nonchalant Casually calm and relaxed; unconcerned.

Internet slang delulu Delusional — believing something against the odds.

Etymology nostalgia Greek nostos “return home” + algos “pain”.

C2 · Advanced serendipity Fortunate discoveries made entirely by accident.

Gen Z slang rizz Charm — the ability to attract a romantic interest.

B2 · Intermediate empathy The capacity to share another person’s feelings.

C1 · Advanced nonchalant Casually calm and relaxed; unconcerned.

Internet slang delulu Delusional — believing something against the odds.

Etymology nostalgia Greek nostos “return home” + algos “pain”.

Test yourself on “perfidious” A quick quiz — meaning, synonyms & usage →

Synonyms

punic treacherous

Antonyms

true faithful staunch trustworthy loyal

Related words

not right true close original straight religious actual

Rhymes for perfidious

yous nous heinous ominous curious anxious copious tenuous unctuous tortuous spurious infamous

See all rhymes for perfidious →

Frequently asked questions

What is the meaning of perfidious?

"perfidious" (adj) means betraying the trust or loyalty that someone rightly expected from you.

What is another word for perfidious?

Other words for "perfidious" include punic, treacherous.

What is the opposite of perfidious?

Opposites of "perfidious" include true, faithful, staunch, trustworthy, loyal.

People also searched

not right true close original straight religious actual

Definitions from Wiktionary, CC BY-SA 4.0