駄目 (だめ)no good; not serving its purpose; useless

no good; not serving its purpose; uselessadjectival nouns or quasi-adjectives (keiyodoshi), noun (common) (futsuumeishi)
hopeless; wasted; in vainadjectival nouns or quasi-adjectives (keiyodoshi), noun (common) (futsuumeishi)
cannot; must not; not allowedadjectival nouns or quasi-adjectives (keiyodoshi), noun (common) (futsuumeishi)
neutral point (in go); intersection owned by neither player at the end of a gamenoun (common) (futsuumeishi)

駄目, its kanji, and other words that share them.Open this graph

Kanji in 駄目

無駄むだfutility; waste
無駄遣いむだづかいwaste (of money, time, etc.); squandering
下駄げたgeta; Japanese wooden clogs
駄菓子だがしcheap sweets
駄菓子屋だがしやsmall-time candy store
いきがけの駄賃いきがけのだちんtaking the opportunity to do something; doing something incidentally
お駄賃おだちんlittle something; reward
ゆきがけの駄賃いきがけのだちんtaking the opportunity to do something; doing something incidentally
目標もくひょうgoal; target
目的もくてきpurpose; goal
注目ちゅうもくnotice; attention
項目こうもくitem; heading
名目めいもくname; title
目玉めだまeyeball
種目しゅもくitem; event
目の前めのまえbefore one's eyes; in front of one

See how 駄目 connects to the rest of Japanese.