Frivolous
It can mean: 1. To put an end to. 2. To decide.
irresponsible
If you are referring to the word which means "not joking", it is spelled "serious" as in, I was "serious" about selling my Shelby GT 500 for only one dollar.
The word profound is an adjective. It means very deep or serious.
Enraege
earnest
earnest
resolute
The word serious is an adjective. It means to be without any humour.
The word serious is an adjective. It means to be without any humour.
Frivolous
determined
It can mean: 1. To put an end to. 2. To decide.
Determination/determined :)
serious
Solemn