Adjectives
Verbs
100

Capricious

Given to sudden changes in mood or behavior

100

Allocate

 To distribute resources

200

Convoluted

Complex, twisted, and difficult to follow.

200

Anticipate

To expect or predict

300

Arduous

 Difficult and tiring

300

collaborate 

To work jointly on an activity or project.

400

Ineffable

Too great or extreme to be described in words.

400

Consolidate

To combine several things into one

500

Mellifluous

Sweet-sounding; pleasing to the ear.

500

Scrutinize

To examine or inspect closely and thoroughly