1. (used especially of persons) having lived for a relatively long time or attained a specific age
   "how old are you?"; "his mother is very old"; "a ripe old age"
    
2. Of long duration; not new
   "old wine"; "old country"; "old friendships"; "old money"; "old tradition"; "old house"
    
3. (used for emphasis) very familiar
   "good old boy"; "same old story"
    
4. Skilled through long experience
   "an old offender"; "the older soldiers";
   - older
    
5. Belonging to some prior time
   "old friend";
   - erstwhile, former, onetime, one-time, quondam, sometime
    
6. Excellent
   "we had a grand old time";
   - bang-up [N. Amer, informal], bully [informal], corking [Brit, informal], cracking [Brit, informal], dandy [informal], great, groovy [informal], keen, neat, nifty [informal], not bad [informal], peachy, slap-up [informal], swell [informal], smashing [Brit, informal], not half bad [informal], grouse [Austral, NZ, informal], ripper [Austral, informal], lovely
    
7. Just preceding something else in time or order
   "my old house was larger";
   - previous
    
8. No longer current or applicable
   "old regulations from the previous century"; "old computer equipment";
   - outdated, out-of-date, superannuated, obsolete

1. Past times
   "In the old, people wrote letters instead of sending emails"

1. (linguistics) of a very early stage in development
   "Old English is also called Anglo Saxon"; "Old High German is High German from the middle of the 9th to the end of the 11th century"

Derived forms: Older, olds, oldest, older

See also: age, aged, aged[2], ageing, age-old, aging, ancient, anile [archaic], antediluvian, antiquated, antique, archaic, auld [UK, dialect], centenarian, darkened, doddering, doddery, early, elderly, emeritus, experienced, experient [archaic], familiar, gaga [informal], good, gray [US], gray-haired [US], gray-headed [US], grey [Brit, Cdn], grey-haired [Brit, Cdn], grey-headed [Brit, Cdn], grizzly, hand-down, hand-me-down, hoar [archaic], hoary, immemorial, long in the tooth [informal], long-ago, longtime, long-time, mature, middle-aged, nonagenarian, noncurrent, nonmodern, octogenarian, of age, older, oldish, overage, overaged, over-the-hill, past, patched, preceding, pre-owned, rusty, secondhand, second-hand, senescent, senile, senior, sexagenarian, stale, sunset, superannuated, used, venerable, white-haired, worn, yellow, yellowed

Type of: past, past times, yesteryear

Antonym: immature, new

Encyclopedia: Old, Old Post Office