List: adjective (keiyoushi)

usually written using kana alone  い adjective  adjective (generic) 

• irritating, impatient, annoying, frustrating, vexing

JLPT N1  い adjective  adjective (generic) 

• quick, nimble, agile
• sharp, shrewd, smart, quick-witted

い adjective  adjective (generic)  obsolete term 

• petty, small-minded, stingy, cheap, mean, crafty, sly
• poor (performance, etc.), bad, unskilled

expression  い adjective  adjective (generic) 

• cannot avoid doing, cannot help but (do), is compelled to do, (feel) obliged to (do), has to do

rarely used kanji form  usually written using kana alone  い adjective  adjective (generic) 

• faltering, tottering, halting, unsteady, awkward, clumsy

colloquial  い adjective  adjective (generic) 

• uncool, lame, unfashionable, unstylish, tacky, tasteless, ugly, corny, pathetic (behaviour), sad

popular  search-only kanji form  JLPT N2  usually written using kana alone  い adjective  adjective (generic) 

• slovenly (appearance, work, etc.), sloppy, untidy, undisciplined, careless, loose, slack
• weak, feeble, weak-willed, cowardly, gutless

search-only kana form  colloquial  い adjective  adjective (generic) 

• easy, simple
• simple (way of thinking, etc.), simple-minded, obvious (trick)
• soft, lax, slack

rarely used kanji form  usually written using kana alone  expression  い adjective  adjective (generic) 

• extravagant, absurd, unbelievable, preposterous, unreasonable
• enormous, tremendous, extraordinary, monumental

proverb  expression  い adjective  adjective (generic) 

• the grass is always greener on the other side of the fence