Added 9 October 2026 castro noun Categories: PeopleUncommon Words noun ! Definition from WordNet 3.1, Princeton University. More about castro at Wordnik → Where our words come from → Cuban socialist leader who overthrew a dictator in 1959 and established a Marxist socialist state in Cuba (born in 1927). Related Words: oliveiraaguirrerodriguezgomezcustermaganatiradofidellealcubacastlecaldas Back to today's word