1. occurring after or relating to the period following a nuclear war or nuclear conflict
Usage: often used in speculative or science fiction contexts
2. relating to the period after the development or widespread use of nuclear weapons or nuclear technology
Usage: historical or geopolitical context

Examples

• The novel depicts a postnuclear world where survivors struggle to rebuild civilization.
• Postnuclear anxiety dominated Cold War-era literature and film.
• Scientists study postnuclear scenarios to understand potential long-term environmental effects.
• The postnuclear era began in 1945 with the atomic bombings of Japan.
• Many dystopian stories explore postnuclear survival and adaptation.