This new detergent is completely odorless.

This diamond is completely colourless, which is very rare.

It became clear that he was complicit in the crime.

He had a hand in that plan.

Carbon monoxide is a colorless, odorless gas, and it is dangerous to inhale.

He took a deep breath and inhaled the fresh air.

He inhales the medicine prescribed by his doctor every day.

This metal has very high malleability.

The lower end of this stick is sharp.

He is supporting that plan.