evergreen

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

• Near-synonym: nondeciduous

Continually fresh or self-renewing.; Being a clause which causes an automatic renewal of a contract unless action is taken.figurativelynot-comparableoften

Continually fresh or self-renewing.; Of a document, a piece of software, or a data set: kept continually up to date (as opposed to being published at regular intervals and outdated in the meantime)figurativelynot-comparableoften

• Chrome and Firefox are evergreen browsers: they update automatically and version numbers are only used for internal reference.

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

• Another change in the news was emphasis on “evergreen” features involving attractive children or animals, parades or fireworks, as well as local developments.

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

• The lawn before them was gay with evergreens, relieved by the first few flowers and fresh turf of the reviving Spring; […]
• Husband and wife walked till they had reached the house they were in search of, which stood in a terrace facing the sea, and was fronted by a small garden of wind-proof and salt-proof evergreens, stone steps leading up to the porch.

A conifer tree.informalspecifically

• Deep down in Louisiana, close to New Orleans, / Way back up in the woods among the evergreens, / There stood a log cabin made of earth and wood / Where lived a country boy named Johnny B. Goode

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

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.