long -
primarily temporal sense; being or indicating a relatively great or greater than average duration or passage of time or a duration as specified; "a long life"; "a long boring speech"; "a long time"; "a long friendship"; "a long game"; "long ago"; "an hour long"
short tending to crumble or break into flakes due to a large amount of shortening; "shortbread is a short crumbly cookie"; "a short flaky pie crust"
agelong lasting through all time; "agelong struggle for freedom"
continuing,
chronic remaining in force or being carried on without letup; "the act provided a continuing annual appropriation"; "the continuing struggle to put food on the table"
long-life (of perishable goods) treated to stay fresh longer than usual; "long-life milk"
longitudinal over an extended time; "a longitudinal study of twins"
long-range suitable for or reaching long distances; "long-range nuclear capability"
long-run,
long-term,
semipermanent 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"
longstanding having existed for a long time; "a longstanding friendship"; "the longstanding conflict"
monthlong last through a month; "a monthlong stay in the hospital"
all-night,
nightlong,
overnight lasting, open, or operating through the whole night; "a nightlong vigil"; "an all-night drugstore"; "an overnight trip"
perennial recurring again and again; "perennial efforts to stipulate the requirements"
long -
primarily spatial sense; of relatively great or greater than average spatial extension or extension as specified; "a long road"; "a long distance"; "contained many long words"; "ten miles long"
short tending to crumble or break into flakes due to a large amount of shortening; "shortbread is a short crumbly cookie"; "a short flaky pie crust"
length a section of something that is long and narrow; "a length of timber"; "a length of tubing"
elongate,
elongated having notably more length than width; being long and slender; "an elongate tail tapering to a point"; "the old man's gaunt and elongated frame"
lengthened,
elongated,
prolonged,
extended drawn out or made longer spatially; "Picasso's elongated Don Quixote"; "lengthened skirts are fashionable this year"; "the extended airport runways can accommodate larger planes"; "a prolonged black line across the page"
far located at a great distance in time or space or degree; "we come from a far country"; "far corners of the earth"; "the far future"; "a far journey"; "the far side of the road"; "far from the truth"; "far in the future"
mindful,
aware bearing in mind; attentive to; "ever mindful of her health"; "mindful of his responsibilities"; "mindful of these criticisms, I shall attempt to justify my action"
long -
planning prudently for the future; "large goals that required farsighted policies"; "took a long view of the geopolitical issues"
provident providing carefully for the future; "wild squirrels are provident"; "a provident father plans for his children's education"
Adverb
long -
for an extended time or at a distant time; "a promotion long overdue"; "something long hoped for"; "his name has long been forgotten"; "talked all night long"; "how long will you be gone?"; "arrived long before he was expected"; "it is long after your bedtime"