To change to fit new conditions.

• adapt

• deplete

• efficient

• fatigue

To use up.

• adapt

• deplete

• efficient

• fatigue

Producing results without waste.

• adapt

• deplete

• efficient

• fatigue

A feeling of tiredness from work or activity.

To become very tired.

• adapt

• deplete

• efficient

• fatigue

A change that has occurred.

• rigor

• oblivious

• glare

• adaptation

A strong blinding light or an angry stare.

To shine strongly or to stare in an angry way.

• rigor

• oblivious

• glare

• adaptation

Not aware of.

• rigor

• oblivious

• glare

• adaptation

A condition that makes life difficult.

• rigor

• oblivious

• glare

• adaptation

Very obvious.

• glaring

• oblivion

• prominent

• rigorous

Forgotten.

• glaring

• oblivion

• prominent

• rigorous