non-extendable

Translations
не подлежащий продлению
не подлежащий расширению
нерасширяемый
нерастяжимый
Definitions
Not able or permitted to be extended in duration or validity.
Not able to be made longer, larger, wider, or more extensive.
Not designed to allow the addition of new features or functionality.
Words
nonextendable

adjective
нерасширяемый