autodefenestration in English dictionary autodefenestration Meanings and definitions of "autodefenestration" (rare, nonce word) The act of hurling oneself from a window. noun (rare, nonce word) The act of hurling oneself from a window. more Grammar and declension of autodefenestration autodefenestration ( uncountable) autodefenestration (uncountable) more Sample sentences with "autodefenestration" Declension Stem Try again Available translations Finnish Authors