speculate

verb/ˈspɛkjəleɪt/

Frequency rank: #7,880 of 20,003 in the WORDED list (wordfreq data)

Meaning

to form opinions without having complete or certain information; to guess or theorize.

Illustration for the English word “speculate”

Example sentence

Scientists can only speculate about what caused the ancient civilization to collapse.

Synonyms & related words

More words in ranks 7,801–7,900