perennial

As adjectives the difference between predictable and perennial

is that predictable is able to be predicted 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 unremitting and perennial

is that unremitting is incessant; never slackening 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 {{term|annual}}, {{term|biennial}}.

Continual is a synonym of perennial.

As adjectives the difference between continual and perennial

is that continual is recurring in steady, rapid succession 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 continuous and perennial

is that continuous is without break, cessation, or interruption; without intervening time 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 {{term|annual}}, {{term|biennial}}.

Ceaseless is a related term of perennial.

As adjectives the difference between ceaseless and perennial

is that ceaseless is without an end 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 incessant and perennial

is that incessant is without pause or stop; not ending, especially to the point of annoyance 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 perennial and evergreen

is that perennial is lasting or remaining active throughout the year, or all the time while evergreen is of plants, especially trees, that do not shed their leaves seasonally.

As nouns the difference between perennial and evergreen

is that 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}} while evergreen is a tree or shrub that does not shed its leaves or needles seasonally.

As a verb evergreen is

to extend the term of a patent beyond the normal legal limit, usually through repeated small modifications.

As nouns the difference between perennial and millennium

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 millennium is millennium (thousand-year period).

As an adjective perennial

is lasting or remaining active throughout the year, or all the time.

As nouns the difference between perennial and millenium

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 millenium is millennium.

As an adjective perennial

is lasting or remaining active throughout the year, or all the time.