1.
If you describe something as ~, you mean that it is serious, important, or useful in some way.
She believes these talks will be the start of a constructive and ~ dialogue...
He asked people to tell him about a ~ event or period in their lives.
ADJ
2.
A ~ look or gesture is one that is intended to express something, usually to a particular person, without anything being said.
Upon the utterance of this word, Dan and Harry exchanged a quick, ~ look.
ADJ: ADJ n
~ly
He glanced ~ly at the other policeman, then he went up the stairs...
ADV: usu ADV after v, also ADV -ed
3.
see also ~ly