Definition of bog
(Entry 1 of 3)
geography
: wet spongy ground
especially
: a poorly drained usually acid area rich in accumulated plant material, frequently surrounding a body of open water, and having a characteristic flora (as of sedges, heaths, and sphagnum)
bog
verb
bogged; bogging
Definition of bog (Entry 2 of 3)
: to cause to sink into or as if into a bog (see bog entry 1) : impede, mire
—usually used with down a car that had gotten bogged down in the mudeasy to get bogged down in the details
: to become impeded or stuck
—usually used with down Extra demand can cause the system to bog down.
bog
noun (2)Definition of bog (Entry 3 of 3)
British
Test Your Vocabulary
Name That Food
-
- Name these cookies!

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share bog
Time Traveler for bog
The first known use of bog was in the 14th century
See more words from the same century