longstanding :: Lexipedia - Where words have meaning

adj. having existed for a long time; "a longstanding friendship"; "the longstanding conflict"

unfailing, enduring, imperishable, abiding

adj. unceasing; "an abiding belief"; "imperishable truths"

everlasting, perpetual, unceasing, eternal, unending

adj. continuing forever or indefinitely; "the ageless themes of love and revenge"; "eternal truths"; "life everlasting"; "hell's perpetual fires"; "the unending bliss of heaven"

agelong, unending

adj. lasting through all time; "agelong struggle for freedom"

bimestrial

adj. two months long; lasting two months

daylong

adj. lasting through an entire day

prolonged, extended, drawn-out, long-drawn-out, protracted

adj. 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, durable, long-lasting, long-lived

adj. existing for a long time; "hopes for a durable peace"; "a long-lasting friendship"

endless, interminable, never-ending

adj. tiresomely long; seemingly without end; "endless debates"; "an endless conversation"; "the wait seemed eternal"; "eternal quarreling"; "an interminable sermon"

lifelong, womb-to-tomb

adj. continuing through life; "a lifelong friend"; "from lifelong habit"; "his lifelong study of Greek art"

long-acting

adj. active over a long period of time

long-dated

adj. of a gilt-edged security; having more than 15 years to run before redemption

longish

adj. somewhat long

longitudinal

adj. over an extended time; "a longitudinal study of twins"

long-range

adj. involving an extended span of time; "long-range goals"

long-run, long-term

adj. relating to or extending over a relatively long time; "the long-run significance of the elections"; "the long-term reconstruction of countries damaged by the war"; "a long-term investment"

nightlong, overnight

adj. lasting, open, or operating through the whole night; "a nightlong vigil"; "an all-night drugstore"; "an overnight trip"

perennial

adj. lasting an indefinitely long time; suggesting self-renewal; "perennial happiness"

yearlong, year-long

adj. lasting through a year; "attending yearlong courses"

Using Lexipedia you can visually map out words and concepts in a clean and friendly interface. No more thumbing through a dictionary, or fumbling through a single-word search; with Lexipedia you can see related words, synonyms, antonyms and fuzzynyms. And best of all, it's absolutely free!