accidental, sudden, unexpected: 난데없다, 난듸읏다

all of sudden, out of nowhere, to one's surprise, suddenly: 난디엇이

unexpected: 의웨, 이웨

suddenly: 문뜩, 무뜩

out of nowhere, to one's surprise: 돌연히

suddenly, promptly, quickly: 갑자기, 갑제기, 갑재기, 급자기, 깝자기, 깝재기, 감째기, 깜째기, ᄁᆞᆷ재기, 벨안간

sudden, urgent: 급ᄒᆞ다

but, by the way, however: 그런듸, 기영ᄒᆞᆫ디, 겐디

certainly, without fail: 기여이

feeling, heart, mind: ᄆᆞ음, ᄆᆞ슴, ᄆᆞ심

miss: 기렵다, 그렵다, 그립다, 기룹다, 그리웁다, 기럽다, 기릅다

at once, right away, on the spot: 담박, 당장, 당장에

at once, on the spot, right away: 단작, 대박, 데빡

at a breath, at a stretch, at a stroke, at once, by one effort, immediately, on the spot, right away: 단작에, 대박에, 데빡에

immediately: 버루기〜버룩이, 버륵이, 직시, 즉시

at once, immediately: 담박에

with a single stroke: 단칼에

at ease, refreshed, cool, fresh, refreshing: 시원ᄒᆞ다, 시원허다, 시언허다, 씨원ᄒᆞ다, 씨원하다