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preclude

/pɹɪˈkluːd/ verb

In Latin: praeclūdō Wiktionary

verb Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about preclude at Wordnik → Where our words come from →

  1. Keep from happening or arising; make impossible.
    My sense of tact forbids an honest answer
  2. Make impossible, especially beforehand.