Katsuyo

い-adjective

偉いえらい

erai

great · N2

偉い (えらい, erai) — great — is an -adjective: 偉かった (past), 偉くない (negative), 偉くて (te-form), 偉いです (polite).

It also means excellent; admirable.

How 偉い conjugates · -adjective

Drop the final , then add the ending.

Every form is built on the stem . The one that isn't: the polite present, which is the whole word plus です.

dropsstem + ending
かったかったpast · It was admirable. くないくないnegative · It isn't admirable. くてくてte-form · It's admirable and … ければければif · If it's admirable, ... 偉いです偉いですpolite presentkeeps the い

Every -adjective works this way. The one exception is いい, which conjugates from its older form よい.

N5 N tags give the JLPT level at which the game starts quizzing a form.

PLAIN

FormConjugationAudio
present N5 偉い えらい erai
past N5 It was admirable. 偉かった えらかった erakatta
negative N5 It isn't admirable. 偉くない えらくない erakunai
te-form N5 It's admirable and … 偉くて えらくて erakute
past negative N4 It wasn't admirable. 偉くなかった えらくなかった erakunakatta
cond. ば N3 If it's admirable, ... 偉ければ えらければ erakereba
cond. たら N3 When it's admirable, ... 偉かったら えらかったら erakattara

POLITE

FormConjugationAudio
present N5 偉いです えらいです eraidesu
past N5 It was admirable. 偉かったです えらかったです erakattadesu
negative N5 It isn't admirable. 偉くないです えらくないです erakunaidesu
past negative N4 It wasn't admirable. 偉くなかったです えらくなかったです erakunakattadesu