perennial

As adjectives the difference between perennial and undefined

is that perennial is lasting or remaining active throughout the year, or all the time while undefined is lacking a definition or value.

As a noun perennial

is a perennial plant; a plant that is active throughout the year or survives for more than two growing seasons compare (annual), (biennial).

As adjectives the difference between ancient and perennial

is that ancient is having lasted from a remote period; having been of long duration; of great age; very old while perennial is lasting or remaining active throughout the year, or all the time.

As nouns the difference between ancient and perennial

is that ancient is a person who is very old while perennial is a perennial plant; a plant that is active throughout the year or survives for more than two growing seasons compare (annual), (biennial).

As adjectives the difference between perennial and millennial

is that perennial is lasting or remaining active throughout the year, or all the time while millennial is referring to the 1,000th anniversary of an event or happening: millennial fair .

As nouns the difference between perennial and millennial

is that perennial is a perennial plant; a plant that is active throughout the year or survives for more than two growing seasons compare (annual), (biennial) while millennial is a person from the generation which grew up in the 1990s and 2000s.

As adjectives the difference between perennial and ongoing

is that perennial is lasting or remaining active throughout the year, or all the time while ongoing is continuing, permanent.

As nouns the difference between perennial and ongoing

is that perennial is a perennial plant; a plant that is active throughout the year or survives for more than two growing seasons compare (annual), (biennial) while ongoing is something that is going on; a happening.

As adjectives the difference between parental and perennial

is that parental is of or relating to a parent while perennial is lasting or remaining active throughout the year, or all the time.

As nouns the difference between parental and perennial

is that parental is a person fulfilling a parental role while perennial is a perennial plant; a plant that is active throughout the year or survives for more than two growing seasons. Compare {{term|annual}}, {{term|biennial}}.

As adjectives the difference between perennial and immortal

is that perennial is lasting or remaining active throughout the year, or all the time while immortal is not susceptible to death; living forever; never dying.

As nouns the difference between perennial and immortal

is that perennial is a perennial plant; a plant that is active throughout the year or survives for more than two growing seasons compare (annual), (biennial) while immortal is one who is not susceptible to death.

As adjectives the difference between perennial and recurrent

is that perennial is lasting or remaining active throughout the year, or all the time while recurrent is recurrent; recurring.

As a noun perennial

is a perennial plant; a plant that is active throughout the year or survives for more than two growing seasons compare (annual), (biennial).

As adjectives the difference between herbaceous and perennial

is that herbaceous is (label) not woody, lacking lignified tissues while perennial is lasting or remaining active throughout the year, or all the time.

As a noun perennial is

a perennial plant; a plant that is active throughout the year or survives for more than two growing seasons compare (annual), (biennial).

As adjectives the difference between durable and perennial

is that durable is able to resist wear, decay; lasting; enduring while perennial is lasting or remaining active throughout the year, or all the time.

As nouns the difference between durable and perennial

is that durable is (economics) a durable good, one useful over more than one period, especially a year while perennial is a perennial plant; a plant that is active throughout the year or survives for more than two growing seasons compare (annual), (biennial).