irremovable

• unremovable

From ir- +‎ removable.

irremovable (not comparable)

1. Not removable; immovable; inflexible.

• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “irremovable”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.
• “irremovable”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.