geia sas, is both formal & plural, 'yah-sas'
Hola, don/donna _________
"¡Buenos días!"
Thomas often answered the door to people while wearing his house slippers. What a way to greet someone!
Not to is not used to greet someone.
No. Informal is not adhering to certain standards, such as not dressing up to go to a formal party or restaurant. It can also mean to behave casually, i.e., you can greet someone on the street informally by saying "Hey man, how are ye?" or you can greet someone formally by saying something like, "Hello sir, I am honored to meet you."
What is greet
To greet someone in the morning you say 'Good morning.'
to say hello or greet someone with happiness and joy
Namasta
to greet someone
konichiwa
People greet each other to show respect. just say that someone is coming into your home, you greet them. this shows them that they are welcome to come into your home.