(noun, adjective)


1. preventing infection by inhibiting the growth or action of microorganisms

Similar word(s): antiseptic, bactericidal, germicidal

Sentences with disinfectant as an adjective:

- I washed repeatedly with a disinfectant soap but I still caught the flu.


1. an agent (as heat or radiation or a chemical) that destroys microorganisms that might carry disease

Similar word(s): antimicrobial, antimicrobic, germicide

Definition categories: man–made, agent

Sentences with disinfectant as a noun:

- The scalpels were soaked in disinfectant before the operation so disease wouldn't be spread.