1. Continuing forever or indefinitely; SYN. eternal, everlasting, perpetual, unending, unceasing.
2. Not growing old; not appearing to age

ETYM French éternel, Latin aeternalis, from aeternus. Related to Etern.
1. Without beginning or end of existence; always existing.
2. Without end of existence or duration; everlasting; endless; immortal.
3. Continued without intermission; perpetual; ceaseless; constant.
4. Existing at all times without change; immutable. + prikaži više

1. Lasting for an indefinitely long period of time; SYN. eternal, lasting, eonian, aeonian.
2. (Informal) Continuing too long

ETYM Pref. im- not + perishable: cf. French impérissable.
Not perishable.

ETYM Latin perennis that lasts the whole year through; per through + annus year. Related to Per-, and Annual.
1. Recurring again and again; SYN. recurrent, repeated.
2. Lasting an indefinitely long time; suggesting self-renewal.
3. (Botany) Lasting three seasons or more.

ETYM Old Eng. perpetuel, French perpétuel, from Latin perpetualis, from perpetuus continuing throughout, continuous, from perpes, -etis, lasting throughout.
Never ceasing; continuing forever or for an unlimited time; unfailing; everlasting; continuous.