senior; older person
Loanword from English 'senior'. Often used in contexts like senior citizens, senior employees, or senior members of a group. Can also appear in compounds like シニア世代 (senior generation).
このクラブはシニアの会員が多い。
This club has many senior members.
This smartphone is a product designed for seniors.
シニア向けのスマートフォン教室が開かれた。
A smartphone class for seniors was held.
シニア世代の消費が増えている。
Spending by the senior generation is increasing.
I used the senior discount at the movie theater.
シニア is a softer, marketing-style loanword used for seniors in contexts like discounts or sports categories, while お年寄り is the general polite term for elderly people.
ジュニア refers to a younger or junior member, the direct opposite of シニア in age-grouped contexts like sports teams or organizations.
シニア (senior/older people) is often paired with ユース (youth) in marketing and organizational contexts, such as シニア向け vs. ユース向け products.
シニア (meaning 'senior') sounds similar to シビア but has a completely unrelated meaning, so learners can easily mix up these two katakana words.
counter for people
Loanword from English 'senior'.