Adjective: eternal i'tur-n(u)l
- Continuing forever or indefinitely
"eternal truths";
- ageless, aeonian, eonian [N. Amer], everlasting, perpetual, unending, unceasing, eviternal [archaic]
- Tiresomely long; seemingly without end
"the wait seemed eternal"; "eternal quarrelling";
- endless, interminable, unending
See also: lasting, long, permanent
Encyclopedia: Eternal