Translation guide
The English word "unlimited" describes something without restrictions, bounds, or a set limit. In Japanese, the most natural translation depends on what is being described: quantity, time, access, potential, or abstract concepts.
Describing something that has no upper bound, such as data, resources, or supply.
The most direct and common translation for 'unlimited' in the sense of 'without restrictions', especially for services, data plans, or access.
このプランはデータ通信が無制限です。
This plan offers unlimited data.
Means 'virtually unlimited' or 'almost without limit'. Often used with adjectives or verbs to express near-infinite extent.
Literally 'infinite', often used in mathematical or philosophical contexts, but also for metaphorical boundlessness.
Describing something that has no time limit, such as a pass, membership, or access period.
Means 'without a deadline/expiry'. Commonly used for tickets, memberships, or offers that do not expire.
このチケットは期限なしで使えます。
This ticket can be used for an unlimited time.
Formal term for 'indefinite' or 'permanent', often used in legal or official contexts.
無期限の在留資格が与えられた。
They were granted unlimited residency status.
Describing the ability to do something without constraints, such as access to a facility or freedom of action.
Adverb meaning 'freely' or 'without restriction'. Often used with verbs like 使う (use) or 出入りする (come and go).
会員は施設を自由に利用できます。
Members have unlimited access to the facilities.
Means 'without restrictions', similar to 自由に but slightly more formal.
制限なくインターネットを使える。
You can use the internet without limits.
Describing boundless potential, often in personal growth or abstract concepts.
Literally 'infinitely large', used metaphorically for limitless potential or possibilities.
彼の才能は無限大だ。
His talent is unlimited.
Idiomatic expression meaning 'unfathomable' or 'bottomless', often used for potential, energy, or depth.
While 無制限 is the most direct translation, it is primarily used for concrete limits like data, money, or time. For abstract ideas like 'unlimited potential', 無限 or idiomatic phrases are more natural.
無限の可能性
unlimited possibilities
For services like 'all-you-can-eat' or 'all-you-can-drink', Japanese uses the suffix 放題 (ほうだい) instead of 無制限. For example, 食べ放題 (たべほうだい) means 'unlimited food' (buffet).
宇宙は限りなく広い。
The universe is virtually unlimited in its vastness.
I believe in unlimited possibilities.
I'm amazed by her unlimited energy.