Serious - Definition
serious
adj 1: concerned with work or important matters rather than play
or trivialities; "a serious student of history"; "a
serious attempt to learn to ski"; "gave me a serious
look"; "a serious young man"; "are you serious or
joking?"; "Don't be so serious!" [ant: frivolous]
2: of great consequence; "marriage is a serious matter"
3: causing fear or anxiety by threatening great harm; "a
dangerous operation"; "a grave situation"; "a grave illness";
"grievous bodily harm"; "a serious wound"; "a serious turn of
events"; "a severe case of pneumonia"; "a life-threatening
disease" [syn: dangerous, grave, grievous, serious,
severe, life-threatening]
4: appealing to the mind; "good music"; "a serious book" [syn:
good, serious]
5: completely lacking in playfulness [syn: unplayful,
serious, sober] [ant: playful]
6: requiring effort or concentration; complex and not easy to
answer or solve; "raised serious objections to the proposal";
"the plan has a serious flaw"