Yukimoji - Learn Japanese

VocabJLPT N1

sub

NounPrefix

Definitions

1. sub
2. substitute
3. sub-
4. Sub

This katakana prefix or noun, borrowed from English "sub," means secondary, subordinate, or backup. It is widely used in modern Japanese to describe things like a secondary character, a side menu, or a backup subscription.

Example sentences

Sentence 1

See? The sub route is faster!

Sentence 2

If the main line goes down, do we switch to the sub line?

Sentence 3

I'm just the sub — it's not right for me to be carrying all of this!

Sentence 4

My opinions are just going to get brushed aside as secondary again, aren't they?

Sentence 5

On overseas business trips, I always bring my backup phone too.