暗殺【あんさつ】
assassination
真っ暗【まっくら】
total darkness, pitch dark, bleak future, poor prospects
明暗【めいあん】
light and darkness, light and shade
暗礁【あんしょう】
reef, sunken rock, unforeseen difficulty
暗号【あんごう】
code, password, cipher
暗黙【あんもく】
tacit, unspoken, implicit
暗雲【あんうん】
dark clouds, threatening signs, ominous indications
暗黒【あんこく】
darkness
薄暗い【うすぐらい】
dim, gloomy
暗記【あんき】
memorization, memorisation, learning by heart
暗示【あんじ】
hint, suggestion
暗躍【あんやく】
secret manoeuvres (maneuvers), operating behind the scenes
暗い【くらい】
dark, gloomy, murky, depressed, dispirited, down in the dumps, dark (mood), dark (in colour), dull, ill-boding, dark (e.g. past), suspicious, unlikely (to succeed), hopeless, unpromising, unfamiliar (with), ignorant (of)
暗算【あんざん】
mental arithmetic