# speculate

Pronunciation: say "SPEK-yuh-layt" US /ˈspɛk.jəˌleɪt/, AUS /ˈspek.jəˌlæɪt/; UK say "SPEK-yuu-layt" /ˈspɛk.jʊˌleɪt/

## Verb

1. To form an opinion or conclusion from evidence that is incomplete or uncertain.
   - Simple: To guess about something when you do not have all the facts.
   - _Historians speculate that the city was abandoned after a long drought._
   - _With no official statement, investors were left to speculate about the company's next move._
2. To make a risky trade or investment in hope of profit, accepting the chance of loss.
   - Simple: To buy or sell something risky, hoping its price goes up and makes you money.
   - _Traders who speculate on currency swings can lose fortunes overnight._
   - _She decided to speculate in commodities during the boom._
3. In a processor, to predict which branch of code will run and execute it ahead of time.
   - Simple: When a computer guesses which path a program will take and runs it early.
   - _Pipelined processors speculate to avoid stalling while a branch is being resolved._
   - _When the outcome of a test is unknown, the CPU may speculate and roll back if it guessed wrong._

## Verb

4. To think, meditate, or reflect deeply on a subject; to consider or deliberate. *(obsolete)*
   - Simple: To think deeply and carefully about a subject over a long time.

## Origin

This word was borrowed from Latin speculātus, the past participle of speculor ("to watch, observe, examine, spy"). That verb came from specula ("a watchtower"), and ultimately from speciō ("to look at").

Source: DictionaryAI, https://dictionaryai.com/define/speculate (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).