I-adjective (keiyoushi)

heavy; weighty

heavy (feeling); depressed; gloomy; blue; uneasy

slow; sluggish; lumbering; ponderous; clumsy

important (position, responsibility, etc.); serious; grave

serious (punishment, illness, etc.); severe; critical

solid; established; dignified; sensible

heavy (shape or stones); solid stones that must be defended rather than sacrificed, despite the high cost of doing so

Go (game)see 軽い