bog

UK: /ˈbɒg/ US: /bɑg, bɔg/ ,(bog, bôg)

Inflections of 'bog' (v): (⇒ conjugate)

bogs

v 3rd person singular

bogging

v pres p

bogged

v past

bogged

v past p

WordReference Random House Learner's Dictionary of American English © 2025

bog¹ /bɑg, bɔg/   n., v., bogged, bog•ging. 
n. [countable]

1. an area of wet, spongy ground.

v. 

2. bog down, to sink in or as if in a bog: [no object]
   [The truck bogged down in the snow.]
   [~ + object + down]
   The slow computer bogged us down.

bog•gy, adj., -gi•er, -gi•est. 

bog² /bɑg, bɔg/   n. [countable]

1. British Terms Usually, bogs. [plural] Brit. Slang. a lavatory;
   bathroom.

WordReference Random House Unabridged Dictionary of American English © 2025

bog¹  (bog, bôg), n., v., bogged, bog•ging. 
n. 

1. wet, spongy ground with soil composed mainly of decayed vegetable matter.
2. an area or stretch of such ground.

v.t., v.i. 

3. to sink in or as if in a bog (often fol. by down):
   We were bogged down by overwork.
4. British Terms bog in, [Australian Slang.] to eat heartily and ravenously.

• Irish or Scots Gaelic bogach soft ground (bog soft + -ach noun, nominal suffix); (def. 4) perh. a different word
• 1495–1505

bog′gish, adj. 

bog²  (bog, bôg), n. Usually, bogs. [Brit. Slang.]

1. British Terms a lavatory;
   bathroom.

• 1780–90; probably shortening of bog-house; compare bog to defecate, boggard (16th century) privy, of obscure origin, originally

Collins Concise English Dictionary © HarperCollins Publishers::

bog / bɒɡ/ noun

1. wet spongy ground consisting of decomposing vegetation, which ultimately forms peat
2. an area of such ground
3. a slang word for lavatory1

Etymology: 13th Century: from Gaelic bogach swamp, from bog soft

ˈboggy adjective

ˈbogginess noun