Her secretiveness made it difficult for us to trust her.

They met in secret to plan their escape.

She is a secreter of important information.

The spy secretted the classified documents.

The gland is secreting hormones into the bloodstream.

The secreters gathered in the conference room to discuss their findings.

The secretness of the operation was crucial to its success.

The secretable protein is released into the bloodstream.

The secretability of the substance allows it to be easily transported across cell membranes.

The secretional glands in the body produce various fluids.