grandfather paradox

Questions

What does grandfather paradox mean?

The paradox of time travel in which inconsistencies emerge through changing the past.

Where does grandfather paradox come from?

From the paradox proposed by the French author René Barjavel in 1944 in his book Le Voyageur Imprudent, translated into English as Future Times Three; in its original form the paradox of one person going back to the past and killing their grandfather before the latter fathered the traveler's father, thus preventing the time traveler from ever being conceived in the first place.

How to pronounce grandfather paradox

1. Open the pronunciation page — Open the Speakur entry for “grandfather paradox”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “grandfather paradox”.
4. Repeat and practice — Say “grandfather paradox” aloud, matching stress and vowels until it feels natural.