"ous" words
Descriptions
Actions
Idioms
Root words & prefixes
100

Ambidextrous

Ability to use both hands

100

Laborious

Labor intensive

100

Strut

To move/walk with arrogance

100

Twist someone's arm 

Persuade someone to do something

100

Minimal, minimum, minus

Min = less

200

Ubiquitous

Everywhere

200

Tedious

So boring

200

Flounder

To move clumsily

200

Have them in the palm of your hands

Have someone in your control

200

Semi-circle, semi-annual

Semi = half

300

Circuitous

Roundabout / indirect

300

Disheveled

Messed up (hair/clothing)

300

Obliterate

To destroy

300

Centimeter, kilometer, millimeter

Meter = measure

400

Odoriferous

Stinky

400

Myopic

Near-sighted

400

Digress

To go off topic

400

Chronicle, chronological, chronology

Chron = time
500

Inodorous

no odor

500

Amputate 

Cut off (like body part)

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