end state in English dictionary end state Meanings and definitions of "end state" (military) The specified situation at the successful completion of the final phase of a military operation. noun (military) The specified situation at the successful completion of the final phase of a military operation. noun Used other than as an idiom: Any ending state.. more Grammar and declension of end state end state ( plural end states) end state (plural end states) more Sample sentences with "end state" Declension Stem Match words all exact any Try again Available translations French German Swedish Authors