Practise the thinking. Keep the judgement.
元気 (genki): Well; energetic; vitality
げんき
genki
Meaning
Well; energetic; vitality
Two original examples
お元気ですか。
How are you?
子どもたちは元気に遊んでいます。
The children are playing energetically.
Usage and distinctions
元気 is a noun and な-adjective: 元気な子. お元気ですか is a polite enquiry, particularly useful after not seeing someone for a while. It is not necessarily used as a greeting every time two close colleagues meet.