Dosage is critical and it should not be given to pregnant women, since the plant might be slightly toxic.

The word "Caution" on a pesticide label means the product is slightly toxic.

The foliage is slightly toxic to livestock and can cause miscarriages in cattle.

This rating is not uncommon for food products; vitamin C is also rated by the same standards as being slightly toxic.

Ethoxyquin has been shown to be slightly toxic to fish.

The parasol mushroom may not be eaten raw because slightly toxic.

It is moderately to slightly toxic to fish and other aquatic species.

In large quantities, anethole is slightly toxic and may act as an irritant.

Malathion, he said, is currently classified as "slightly toxic."

Whatever might be slightly toxic was present in concentrations too small to matter, although a normal sense of smell would give ample warning regardless.