To corrupt, debase or make impure 

Mcdonalds adulterates their hamburgers with chemicals

To have to ability to use both hands for tasks

Switch hitters in baseball are ambidextrous 

To make greater

I augmented my diet by eating healthy 

Deprived of

The woman was bereft of her husband after he died in a car accident

To send out

The general deployed his troops to attack the enemy

Stern, Harsh 

My dour teacher has many rules.

Dexterity

Having his broken leg set without painkillers requires fortitude.

To open mouth wide.

The class gaped at the teacher as she smacked a student

To utter taunting words

The kids gibed at a student for not knowing an answer

Form of style

Some fashion designers have crazy guise

Sneaky, Deceptive 

The evil scientists plan to destroy the world was insidious 

A indication

The football player gave no intimation that he was injured

Luxuraious, Expensive 

My friend had a very opulent life therefore everything was handed to him.

Flexible, Bendable

Glass is very pliable after being heated

To repeat 

The teacher had to reiterate the directions because the students were not listening

Stolid

Emotionless

The Royal Guard is very stolid

Tentative

Easily changeable 

We did not have a set plan our day was tentative

Disheveled

If you show up to a job interview looking unkempt you will probaly not get the job

Word for word, exact

The teachers directions were verbatim

Cautiously 

My dog was very wary of the furnace because it was loud