From Longman Dictionary of Contemporary Englishin the worldin the worldEMPHASIZEused to emphasize what you are sayingthe happiest/most exciting etc ... in the world I’m the luckiest man in the world! Bali is my favourite place in the whole world. Off he went, without a care in the world (=not worried about anything at all). Nothing in the world (=nothing at all) can save them now. Don’t worry, we’ve got all the time in the world (=plenty of time so you do not need to hurry).what/who/where/how etc in the world ...? (=used when you are very surprised or annoyed) What in the world are you doing here at seven in the morning? → world
Examples from the Corpus
in the world• Wherever you are in the world, that Rockwool product will more than match the specification.• Why won't I admit that I must have the shortest arms in the world?• At that time China was the most powerful country in the world.• Friendship was viewed as one of the major keys to goodness in the world.• I felt like the luckiest guy in the world.• I was in a soap opera for a while where I was the nicest guy in the world.• S schools to raise their proficiency in science and math to the highest levels in the world.• All I do is try to live in the world, but the world done gone crazy.• He was the last person in the world who would understand. 