EVERGREEN

A tree or shrub that does not shed its leaves or needles seasonally.

(specifically) A conifer tree.

A news story that can be published or broadcast at any time.

(pharmaceuticals) To extend the term of a patent beyond the normal legal limit, usually through repeated small modifications.

To set the repayment rate of a loan at or below the interest rate, so low that the principal will never be repaid.

Of plants, especially trees, that do not shed their leaves seasonally.

Continually fresh or self-renewing.

Suitable for transmission at any time; not urgent or time-dependent.