4000 Duolingo Vocabulary List

iceberg:
n. 氷山 a large mass of ice floating at sea

icicle:
n. つらら pendent spear of ice formed by the freezing of dripping water

ideal:
a. 理想 existing in idea or thought; conception; intellectual; mental;  imaginary standard of excellence; fit for a model

identical:
a. 同じ duplicate; alike; being the exact same one

identification:
n. 識別 act of designating or identifying something; condition of having your identity established

identify:
v. 識別 detect; find out; discover

identity:
n. アイデンティティ exact sameness; the distinct personality of an individual regarded as a persisting entity

ideological:
a. イデオロギー concerned with or suggestive of ideas

idiom:
n. イディオム an expression whose meaning differs from meanings of its individual words; distinctive style

idiomatic:
a. 慣用句 having the nature of an idiom; characteristic of a given language

idle:
a. アイドル useless; vain; trifling; unprofitable; thoughtless; given rest and ease; avoiding work or employment; lazy

idyllic:
a. 牧歌 excellent and delightful in all respects

igneous:
a. 火 produced under conditions involving intense heat

ignite:
v. 発火 kindle; cause to start burning; set fire to

ignorance:
n. 無知 lack of knowledge or education

ignore:
v. 無視 refuse to pay attention to; disregard; overlook; neglect

illuminate:
v. 点灯 provide or brighten with light; clear up or make understandable; enlighten

illumination:
n. 照明 degree of visibility of your environment

illusion:
n. 錯覚 misleading vision; being deceived by a false perception or belief

illusive:
a. 幻 deceptive; misleading; based on or having the nature of an illusion