Adjective long has 10 senses
  1. 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, abbreviated, truncated, brief, little, clipped, fleeting, fugitive, momentaneous, momentary, short-dated, short-range, short-run, short-term, telescoped, shortened, short and sweet
  2. 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, abbreviated, brief, close, curtal, sawed-off, sawn-off, shortish, short-range, short-snouted, telescoped, shortened, snub, stubby, truncate, truncated
  3. long - of relatively great height; "a race of long gaunt men"- Sherwood Anderson; "looked out the long French windows"
    short (indirect, via tall)
  4. long - holding securities or commodities in expectation of a rise in prices; "is long on coffee"; "a long position in gold"
  5. long - of speech sounds (especially vowels) of relatively long duration (as e.g. the English vowel sounds in `bate', `beat', `bite', `boat', `boot')
  6. long - used of syllables that are unaccented or of relatively long duration
    unstressed, unaccented (indirect, via stressed)
  7. long - involving substantial risk; "long odds"
    sound (indirect, via unsound)
  8. long, tenacious - (of memory) having greater than average range; "a long memory especially for insults"; "a tenacious memory"
    Antonyms: unretentive, forgetful (indirect, via retentive)
  9. farseeing, farsighted, foresighted, foresightful, long, longsighted - planning prudently for the future; "large goals that required farsighted policies"; "took a long view of the geopolitical issues"
    Antonym: improvident (indirect, via provident)
  10. long - having or being more than normal or necessary:"long on brains"; "in long supply"
    scarce (indirect, via abundant)
,Adverbial long has 2 senses
  1. 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"
  2. long - for an extended distance
,Noun long has 1 sense
  1. long - a comparatively long time; "this won't take long"; "they haven't been gone long"
    --1 is a kind of
    long time, age, years
,Verb long has 1 sense
  1. hanker, long, yearn - desire strongly or persistently
    --1 is one way to desire, want
    Derived forms: noun longer1, noun longing1
    Sample sentence:
    They long to move