adverb
like; similarly to
Slang adverbial form of みたい, used in casual speech to mean 'like' or 'in the same way as'. Common among younger speakers but considered informal.
See also: みたい
あの子、モデルみたく歩いてるね。
That girl walks like a model, doesn't she?
今日は夏みたく暑い。
Today is hot like summer.