Below are the words that matched your query...
Lengthiest
- relatively long in duration; tediously protracted; "a drawn-out argument"; "an extended discussion"; "a lengthy visit from her mother-in-law"; "a prolonged and bitter struggle"; "protracted negotiations"
Lengthy
- relatively long in duration; tediously protracted; "a drawn-out argument"; "an extended discussion"; "a lengthy visit from her mother-in-law"; "a prolonged and bitter struggle"; "protracted negotiations"
Lasting
- existing for a long time; "hopes for a durable peace"; "a long-lasting friendship"
- continuing or enduring without marked change in status or condition or place; "permanent secretary to the president"; "permanent address"; "literature of permanent value"
- retained; not shed; "persistent leaves remain attached past maturity"; "the persistent gills of fishes"
- lasting a long time without change; "a lasting relationship"
- continue to live through hardship or adversity; "We went without water and food for 3 days"; "These superstitions survive in the backwaters of America"; "The race car driver lived through several very serious accidents"; "how long can a person last without food and water?"
- persist for a specified period of time; "The bad weather lasted for three days"
Long-Lasting
- existing for a long time; "hopes for a durable peace"; "a long-lasting friendship"
Long-Lived
- existing for a long time; "hopes for a durable peace"; "a long-lasting friendship"
Lifelong
- continuing through life; "a lifelong friend"; "from lifelong habit"; "his lifelong study of Greek art"
Long-Acting
- active over a long period of time
Long-Dated
- of a gilt-edged security; having more than 15 years to run before redemption
Long-Life
- (of perishable goods) treated to stay fresh longer than usual; "long-life milk"