citations that could be an adjective or verb form; for those which are clearly the past tense of the verb ensiege, see Citations:ensiege
1974, William Carlos Williams, The Embodiment of Knowledge, New Directions Publishing (→ISBN), page 34:
... from history through Eliot : He failed (beautifully - nauseously : "Sweeny and the Nightingales” being a throwing on the screen of the desire) and fell back after a gallant attack, fell back into knowledge and its ensieged - besieged citadel ...
2003, Christiania Whitehead, Castles of the Mind: A Study of Medieval Architectural Allegory
page 89: The ensieged castle of religious virtue achieves literary prominence around the beginning of the thirteenth century.
page 91: Time and time again , that stronghold is placed upon an ensieged footing and subjected to the sensual munitions of the devil :
2008, Brian Lumley, The Taint and Other Novellas: A Cthulhu Mythos Collection, Solaris (→ISBN)
For I produced Rising With Surtsey—a title that Derleth found very much to his taste—in December 1967, during the so-called Cold War, when my Military Police duties included patrolling the all-but ensieged city of Berlin.
2009, Brian Lumley, Necroscope II: Vamphyri!, Macmillan (→ISBN), page 31:
"And Thibor—-bring me those thumbs or I'll likely string you up by yours!” And that day at noon seven polyglot companies of men had set out from Kiev, reinforcements for the ensieged defensive positions on the Ros.
