Crabbed is a related term of tumultuous.
As adjectives the difference between crabbed and tumultuous
is that crabbed
is bad-tempered or cantankerous while tumultuous
is noisy and disorderly.
As a verb crabbed
Bad-tempered or cantankerous.
* 1800(?) Robert Southey, Winter
- A wrinkled crabbed man they picture thee,
- Old Winter, with a rugged beard as grey
(of handwriting) Crowded together and difficult to read.
- As the long moss upon the apple-tree;
Noisy and disorderly