い-adjective
執拗いしつこい
shitsukoi執拗い (しつこい, shitsukoi) — insistent — is an い-adjective: しつこかった (past), しつこくない (negative), しつこくて (te-form), しつこいです (polite).
It is usually written in kana: しつこい rather than 執拗い. It also means obstinate; persistent.
How しつこい conjugates · い-adjective
Drop the final い, then add the ending.
Every form is built on the stem しつこ. The one that isn't: the polite present, which is the whole word plus です.
しつこい
dropsstem + ending
しつこかったしつこかったpast · It was persistent.
しつこくないしつこくないnegative · It isn't persistent.
しつこくてしつこくてte-form · It's persistent and …
しつこければしつこければif · If it's persistent, ...
しつこいですしつこいですpolite presentkeeps the い
Every い-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
| Form | Conjugation | Audio |
|---|---|---|
| present N5 | しつこい 執拗い shitsukoi | |
| past N5 It was persistent. | しつこかった 執拗かった shitsukokatta | |
| negative N5 It isn't persistent. | しつこくない 執拗くない shitsukokunai | |
| te-form N5 It's persistent and … | しつこくて 執拗くて shitsukokute | |
| past negative N4 It wasn't persistent. | しつこくなかった 執拗くなかった shitsukokunakatta | |
| cond. ば N3 If it's persistent, ... | しつこければ 執拗ければ shitsukokereba | |
| cond. たら N3 When it's persistent, ... | しつこかったら 執拗かったら shitsukokattara |
POLITE
| Form | Conjugation | Audio |
|---|---|---|
| present N5 | しつこいです 執拗いです shitsukoidesu | |
| past N5 It was persistent. | しつこかったです 執拗かったです shitsukokattadesu | |
| negative N5 It isn't persistent. | しつこくないです 執拗くないです shitsukokunaidesu | |
| past negative N4 It wasn't persistent. | しつこくなかったです 執拗くなかったです shitsukokunakattadesu |