brooding (noun) /ˈbɹuːdɪŋ/
1
A spell of brooding; the time when someone broods.
brooding (verb) /ˈbɹuːdɪŋ/
1
present participle and gerund of brood
brooding (adjective) /ˈbɹuːdɪŋ/
1
(of a bird) Broody; incubating eggs by sitting on them.
2
Deeply or seriously thoughtful.