Synonyms and antonyms of Controlling weeds, insects and pests in British Thesaurus

camphor (noun)

a substance with a very strong smell used for keeping insects away

citronella (noun)

a natural substance used for keeping insects away and for making perfumes

crop-dusting (noun)

American crop-spraying

crop-spraying (noun)

British the practice of dropping liquid fertilizers and pesticides onto crops from a plane

DDT (noun)

a poisonous chemical used for killing insects that destroy crops. It also kills animals and is dangerous to humans, so is no longer allowed in many countries. This kind of chemical is called a pesticide or an insecticide.

dip (noun)

a liquid chemical used for killing insects on an animal’s skin

flypaper (noun)

long pieces of paper covered with a sticky poisonous substance, used for catching and killing flies

fly spray (noun)

a liquid for killing flies and similar insects

flyswatter (noun)

an object used for killing flies that consists of a flat piece of plastic etc on a long handle

fungicidal (adjective)

used for killing a fungus

fungicide (noun)

a substance used for killing a fungus

germicide (noun)

a substance that kills bacteria

herbicide (noun)

a chemical used for killing weeds (=plants that are not wanted)

insecticide (noun)

a chemical for killing insects, especially those that damage plants or crops

mothball (noun)

a small white ball made from a chemical with a strong smell that you put with clothes in order to prevent them being damaged by moths

mousetrap (noun)

a small object with a spring, used for catching and killing mice

organophosphate (noun)

a substance containing phosphorus that is used as a pesticide. Some organophosphates are poisonous.

pesticide (noun)

a chemical used for killing insects, especially those that damage crops

repellent (noun)

a substance that keeps insects or other animals away

sheep dip (noun)

a chemical that is used for killing insects in a sheep’s wool, or the container used for this treatment

weedkiller (noun)

a substance used for killing weeds

zapper (noun)

informal a piece of electrical equipment for killing insects