Frequency: The word is one of the 3000 most common words in English.
1.
If you say that something is ~, you mean that it is necessary or very important.
The port is ~ to supply relief to millions of drought victims...
Nick Wileman is a school caretaker so it is ~ that he gets on well with young people...
After her release she was able to give ~ information about her kidnapper.
= crucial
ADJ
~ly
Lesley’s career in the church is ~ly important to her.
ADV: usu ADV adj, also ADV with v
2.
If you describe someone or something as ~, you mean that they are very energetic and full of life.
They are both very ~ people and a good match...
= lively
ADJ