Preposition: for

• eye: Virkon S Reasonable care necessary Sodium hydroxide Highly caustic for eyes and skin Avoid contact with strong acids.

Modifies a noun

• soda: Organic cotton still requires caustic soda to remove the wax.

• alkali: No matter how painful, the birds cannot escape the caustic alkali.

• wit: Maybe it's the mood I'm in nowadays, but Lloyd's cynicism and caustic wit are what we need right now.

• remark: That you knowingly signed off with a caustic remark yourself.

• humor: His main fear is to be misunderstood, that the caustic humor may obscure the honest intention behind it.

• substance: They can be seen following certain hairdressing procedures where very alkaline or caustic substances are allowed inappropriate contact with the skin.

Modifying Another Word

• highly: New types of Viton® are versatile, offering improved capabilities in steam, solvents, highly caustic environments and low temperatures.

• very: The latex of this thorny succulent species is very caustic ( Dalziel 1937 ).

• too: People I know who dislike Tori feel that she's too caustic, too edgy.

• sometimes: Yet Bev's dry, sometimes caustic sense of humor remains firmly in place.

• somewhat: It is a white, crystalline solid, of a bitter, somewhat caustic taste, with a very poisonous action.

• rather: Fresh soot is rather caustic and may be used as a soil fumigant to destroy insects and slugs.