どっち
どっち
docchi
= which one / which way / which side (colloquial for dochira)
Docchi is the casual, everyday way to ask “which one?” or “which way?” in Japanese — the go-to choice word when you’re weighing two options with a friend. It belongs to the ko-so-a-do system as the do-series interrogative for direction and selection.
Docchi is the colloquial form of dochira, the question pronoun used to ask which of two things, directions, or people is meant. It works both for physical direction — docchi ni iku? (which way are we going?) — and for choosing between two options — docchi ga ii? (which is better?). Unlike dochira, which sounds measured and polite, docchi is warm and direct, the natural word to drop in casual conversation with friends or family. It always implies exactly two alternatives; when more than two options are on the table, speakers switch to dore (which one of several). The double-t sound (っ) gives it a punchy, clipped feel that matches its breezy register.
The key distinction is register: docchi is casual speech, while dochira is the polite form you use with strangers, in business settings, or on the phone. Swapping them is not a grammar error, but using docchi with a supervisor or customer will sound too familiar. Also note docchi mo, which means “both” or “either one” — docchi mo suki means “I like both” — a handy phrase that often surprises learners who expect it to mean “neither.”
Everyday use
ラーメンとカレー、どっちが食べたい？
Raamen to karee, docchi ga tabetai?
Ramen or curry — which do you want to eat?
Formal / Cultural context
新宿駅ってどっちの出口から出ればいいの？
Shinjuku-eki tte docchi no deguchi kara dereba ii no?
Which exit should I use at Shinjuku Station?
Casual / Social Media
今日の夜、映画とカラオケ、どっちがいい？どっちでもいいけど笑
Kyou no yoru, eiga to karaoke, docchi ga ii? Docchi demo ii kedo (wara)
Tonight — movie or karaoke, which do you prefer? Either is fine with me lol
In everyday Japanese conversation, docchi appears constantly in the small decisions that fill daily life — choosing between two dishes at a restaurant, picking a route, or settling on weekend plans. Its bluntness signals closeness: using it with someone is a quiet marker that you’re on comfortable terms.
The ko-so-a-do demonstrative system is one of the first frameworks Japanese learners encounter, and docchi completes the question slot for two-way choice. The full set for direction is kocchi (this way, near me), socchi (that way, near you), acchi (that way, over there), and docchi (which way?). Knowing all four lets learners navigate physical space and abstract choices with the same natural vocabulary.
On social media and in text messages, docchi is a staple of casual polls and playful debates — “coffee or tea, docchi派?” (which side are you on?) is a common format. The word’s brevity and punchy sound make it ideal for the short, lively exchanges that define Japanese online conversation.