A hedge between keeps friendship green: A proverb that is used when you want to explain to someone that privacy between friends builds stronger bonds.
Be green about the gills: To be sick and looking like you are about to vomit. Another similar green folding idiom, blue around the gills, is used for alcohol intoxication.
Be green with envy: A fancier way of saying that you are envious.
Flourish like a green bay tree: Success and growth.
Give the green light: It’s OK to proceed with whatever it is you are doing or planning.
God’s green earth: A fancier way of saying Earth.
Green as grass: Quite green.
Green folding: The act of folding money.
Green light: It’s OK to go ahead and do what it is you want to do.
Green paper: A British report with governmental policies.
Green state: A U.S. state where the Green Party is favored. Can also be used to refer to a state that is environmentally friendly.
Green thumb: You have miracle hands and are able to make plants grow as if by magic. You have a way with nature.
Greenhorn: Someone who is inexperienced and doesn’t quite know what to do. A rookie.
Sure as God made little green apples: An extremely fancy (and rural) way of saying “yeah, I’m sure of it”.
The green-eyed monster: Jealousy.
The rub of the green: Good fortune.
Words that start with Green
Greenbacker: Someone who supports U.S. paper currency.
Greenfly: A tiny insect that destroys plants.
Greenhouse: A building where plants are grown. It’s usually made of glass.
Greenkeeper: The individual who takes care of a golf course.
Greenlight: It’s OK to proceed.
Greenroom: A chamber in a television studio where actors can rest after (or before) they go out and perform.
Greensand: A deposit of galuconite and smecite.
Greenstone: Another type of mineral. Can be used to refer to chlorastrolite, elvan, pounamu, etc.
Greenwood: Unseasoned wood; a very green forest.