bouncy
adj. B1 Intermediate US //ˈbaʊnsi// UK //bˈaʊnsi// boun·cy
adj. able to spring back into shape after being squeezed or hit. It also describes someone who has a lot of energy and seems very happy.
adj. capable of returning to an original shape after compression; resilient. When applied to people or music, it describes a lively, energetic, and cheerful quality.
The children love playing on the bouncy castle.
The new mattress is quite bouncy, which might take some time to get used to if you prefer a firm bed.
Her bouncy personality and relentless optimism made her the natural choice for leading the team through the difficult transition period.
From bounce + -y.
Usage
Often used predicatively after linking verbs like 'feel' or 'seem' to describe a person's mood.