clog

UK: /ˈklɒg/ US: /klɑg, klɔg/ ,(klog, klôg)

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

clogs

v 3rd person singular

clogging

v pres p

clogged

v past

clogged

v past p

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

clog /klɑg, klɔg/   v., clogged, clog•ging, n. 
v. 

1. to (cause to) become blocked or choked up: [~ + object]
   All that hair has clogged the drain.
   [~ + object + up]
   Hair has clogged the drain up again.
   [~ + up + object]
   That slime has clogged up the drainpipe.
   [no object* (~ + up)]
   The drain has clogged (up) again.
2. to fill too much;
   overfill;
   jam:
   [~ + object] Cars clogged the highway.

n. [countable]

3. anything that restricts movement:
   a clog in the drain.
4. Clothing a shoe or sandal with a thick sole of wood, cork, etc.

WordReference Random House Unabridged Dictionary of American English © 2025

clog  (klog, klôg), v., clogged, clog•ging, n. 
v.t. 

1. to hinder or obstruct with thick or sticky matter;
   choke up:
   to clog a drain.
2. to crowd excessively, esp. so that movement is impeded;
   overfill:
   Cars clogged the highway.
3. to encumber;
   hamper;
   hinder.

v.i. 

4. to become clogged, encumbered, or choked up.
5. to stick;
   stick together.
6. to do a clog dance.

n. 

7. anything that impedes motion or action;
   an encumbrance;
   a hindrance.
8. a shoe or sandal with a thick sole of wood, cork, rubber, or the like.
9. a similar but lighter shoe worn in the clog dance.
10. a heavy block, as of wood, fastened to a person or beast to impede movement.
11. Music and Dance See clog dance. 
12. British Terms a thick piece of wood.

• Middle English, of uncertain origin, originally 1350–1400

clog′gi•ly, adv. 
clog′gi•ness, n. 
clog′gy, adj. 
Synonyms

• 3. impede, trammel, fetter.

Collins Concise English Dictionary © HarperCollins Publishers::

clog / klɒɡ/ verb (clogs, clogging, clogged)

1. to obstruct or become obstructed with thick or sticky matter
2. (transitive) to encumber; hinder; impede
3. (intransitive) to adhere or stick in a mass

noun

1. any of various wooden or wooden-soled shoes
2. (as modifier): clog dance
3. a heavy block, esp of wood, fastened to the leg of a person or animal to impede motion
4. something that impedes motion or action; hindrance

Etymology: 14th Century (in the sense: block of wood): of unknown origin