FluentPlex

speculate

/ˈspɛk.jəˌleɪt/ verb C1
  1. To make an inference based on inconclusive evidence; to surmise or conjecture. (intransitive)
  2. To make a risky trade in the hope of making a profit; to venture or gamble. (intransitive)
  3. To anticipate which branch of code will be chosen and execute it in advance. (intransitive)

He/she/it speculates · Past speculated · Past participle speculated · -ing form speculating

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Verb forms

Base form
speculate
He/she/it
speculates
Past
speculated
Past participle
speculated
-ing form
speculating

From the library

He would always come back to his lost treaty, wondering, guessing, speculating, as to what Holmes was doing, what steps Lord Holdhurst was taking, what news we should have in the morning.
The Memoirs of Sherlock Holmes, p. 90 · B2
What is the use of our speculating in this way when the original plans were actually found on West?”
Sherlock Holmes: The Bruce-Partington Plans, p. 22 · B2
During the war with Spain he was employed in the commissariat of the French army, and made a fortune; then with that money he speculated in the funds, and trebled or quadrupled his capital; and, having first married his banker’s daughter, who left him a widower, he has married a second time, a widow, a Madame de Nargonne, daughter of M.
The Count of Monte Cristo, p. 306 · C1
“Why, upon my soul, my dear fellow, it strikes me that our elegant and attentive neighbor must either be some successful stock-jobber who has speculated in the fall of the Spanish funds, or some prince travelling incog.”
The Count of Monte Cristo, p. 388 · C1

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Words, meanings, pronunciations and translations from Wiktionary (CC BY-SA 4.0); how common each word is from wordfreq. Made into this dictionary by FluentPlex.