An auxiliary adjective used after plain verb/adjective/noun forms to express conjecture or appearance based on evidence or hearsay ('it seems', 'apparently').
駅は工事中らしいから、少し遠回りした方がいい。
It seems the station is under construction, so it's better to take a bit of a detour.
彼は医者らしいが、専門は何か分からない。
He appears to be a doctor, but I don't know his specialty.
明日は雨らしいよ。傘を持って行って。
Apparently it's going to rain tomorrow. Take an umbrella.
彼女が遅刻したのは電車の遅れが原因らしい。
It seems her being late was due to a train delay.
A suffix meaning '-ish' or 'typical of' when attached to a noun or stem, indicating something characteristic or appropriate to that noun.
子供らしい無邪気な質問に、皆が笑った。
Everyone laughed at the innocent, childlike question.
彼の言動はリーダーらしくないと思った。
I thought his behavior was not very leader-like.
日本らしい風景が写真に写っている。
The photo shows a landscape that is typically Japanese.