unbeknownst

preposition/ˌʌnbɪˈnoʊnst/

Frequency rank: #16,212 of 20,003 in the WORDED list (wordfreq data)

Meaning

without the knowledge of; unknown to someone.

Illustration for the English word “unbeknownst”

Example sentence

She had already booked a flight to Paris, unbeknownst to her parents.

Synonyms & related words

More words in ranks 16,201–16,300