a person who establishes an institution, company, society, etc
WordReference Random House Learner's Dictionary of American English © 2025
foun•der2 /ˈfaʊndɚ/USA pronunciation
v. [no object]
foun•der1 /ˈfaʊndɚ/USA pronunciation n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- Naval Termsto fill with water and sink:The ship foundered during the typhoon.
- to fail:The project foundered when its supporters quit.
foun•der1 /ˈfaʊndɚ/USA pronunciation n. [countable]
- a person who founds:the founders of the republic.
found•er1
(foun′dər),USA pronunciation n.
foun•der2 (foun′dər),USA pronunciation v.i.
v.t.
n.
found•er3 (foun′dər),USA pronunciation n.
- a person who founds or establishes.
- 1275–1325; Middle English; see found2, -er1
foun•der2 (foun′dər),USA pronunciation v.i.
- Naval Terms(of a ship, boat, etc.) to fill with water and sink.
- to fall or sink down, as buildings, ground, etc.:Built on a former lake bed, the building has foundered nearly ten feet.
- to become wrecked;
fail utterly:The project foundered because public support was lacking. - to stumble, break down, or go lame, as a horse:His mount foundered on the rocky path.
- to become ill from overeating.
- Veterinary Diseases(of a horse) to suffer from laminitis.
v.t.
- Naval Termsto cause to fill with water and sink:Rough seas had foundered the ship in mid-ocean.
- Veterinary Diseasesto cause (a horse) to break down, go lame, or suffer from laminitis.
n.
- Veterinary Diseaseslaminitis.
- Vulgar Latin *fundorāre, derivative of *fundor-, taken as stem of Latin fundus bottom
- Middle French fondrer to plunge to the bottom, submerge
- Middle English foundren 1300–50
- 3.See corresponding entry in Unabridged collapse, perish, succumb, topple, sink; flop.
found•er3 (foun′dər),USA pronunciation n.
- a person who founds or casts metal, glass, etc.
- 1175–1225; Middle English; see found3, -er1
Collins Concise English Dictionary © HarperCollins Publishers::
(of a ship) to sink to break down or fail: the project foundered to sink into or become stuck in soft ground to fall in or give way; collapse (of a horse) to stumble or go lame
a person who makes metal castings (in combination): an iron founder
'founder member' also found in these entries (note: many are not synonyms or translations):