Late
い adjective
おそい
私のパソコンはハードディスクの容量が無くなってきているので、動作がすごく遅いです。
My computer is very slow because it’s running out of hard drive space.
This is a single kanji with an い on the end, meaning you know it's probably an adjective. What's the adjective form of slow? It's slow (or, if you're slow, you're probably late, too).
How slow are you? You are oh so slow (おそ).