Dictionary — Entry No. 0334
내일
naeil · noun
내일
naeil
[neh-IL]
nounbeginner
Meaning
내일 (naeil) means ‘tomorrow’ — the day after today. It is one of the most fundamental time words in Korean, used in everyday planning, promises, and expressions of hope. The word carries an inherently optimistic connotation, always pointing toward possibility and the future.
K-Pop & K-Drama Context
BTS built an entire song called ‘Tomorrow’ around the concept of naeil, exploring the anxiety and hope young people feel about the future — a theme that resonated deeply with their global fanbase. In Reply 1988, the phrase 내일 봐 (naeil bwa, ‘see you tomorrow’) between neighborhood friends carries warm nostalgic weight. The word frequently appears in K-Drama farewells and promises, making it one of the first time words fans recognize.
Example Sentences
내일 뭐 해요?
Naeil mwo haeyo?
What are you doing tomorrow? — a common casual way to propose plans or check someone’s availability
내일까지 해야 해.
Naeilkkaji haeya hae.
I have to finish it by tomorrow. — expressing a deadline with mild urgency, common in school and work drama storylines
내일 봐!
Naeil bwa!
See you tomorrow! — a warm, casual farewell between close friends, one of the most recognizable phrases from Reply 1988
⚠️ Don’t use naeil when…
Mispronouncing 내일 as ‘nai-el’ is very common — the 내 vowel sounds like ‘neh’ (as in ‘net’), not ‘nai.’ A second mistake is confusing 내일 (naeil, tomorrow) with 다음 주 (da-eum ju, next week) when trying to make plans, which leads to real scheduling mix-ups.
🎵 Heard In
- K-Drama: Reply 1988 — the Ssangmundong neighborhood friends exchange 내일 봐 as they part ways each evening, making the word inseparable from the drama’s warm nostalgia.
- K-Pop: BTS — Tomorrow
ℹ️ Editorial Note: The cultural context and example usage are for educational reference only. Artist names, song titles, and drama references are used descriptively to illustrate vocabulary in context. This content is AI-assisted and reviewed for accuracy. For official information, please refer to the respective artists’ or studios’ official channels.