1earth 
/ˈɚθ/ noun
/ˈɚθ/ noun 1 or Earth [singular] : the planet on which we live
▪ (The) Earth is the third planet from the sun. ▪ life on earth ▪ the planet Earth ▪ Many species are in danger of vanishing from (the face of) the earth. 2 [noncount] : land as opposed to the sea, the air, etc.
▪ The moisture will eventually fall to earth in the form of rain or snow. ▪ We could feel the earth shake. 3 [noncount] : the material in which plants grow : soil
▪ a mound of earth 4 [count] Brit : 1ground 10 5 [singular] chiefly Brit, informal : a large amount of money
▪ furniture that looks good and that doesn't cost the earth ▪ pay the earth
▪ (The) Earth is the third planet from the sun. ▪ life on earth ▪ the planet Earth ▪ Many species are in danger of vanishing from (the face of) the earth.
▪ The moisture will eventually fall to earth in the form of rain or snow. ▪ We could feel the earth shake.
▪ a mound of earth
▪ furniture that looks good and that doesn't cost the earth ▪ pay the earth
(a) heaven on earth — see heaven
move heaven and earth — see 1move
on earth 1 : in the world
▪ It's the tallest building on earth. ▪ She said she wouldn't marry him if he were the last man on earth. ▪ He says that nothing on earth will change his mind. 2 — used to make a question more forceful ▪ Why on earth [=in the world, ever] did you do that? ▪ What on earth is he talking about? ▪ Where on earth are my keys?
▪ It's the tallest building on earth. ▪ She said she wouldn't marry him if he were the last man on earth. ▪ He says that nothing on earth will change his mind.
promise someone the earth — see 2promise
the ends of the earth — see 1end
the salt of the earth — see 1salt
