やあ

や

あ

Freq.FrequencyTop 20,000

Meanings

Casual greeting used among friends or in informal situations. Similar to 'hey' or 'hi' in English.

Expression of mild surprise, realization, or admiration. Can be used when noticing something unexpected.

Shout used when exerting effort, such as lifting something heavy or making a vigorous move. Often part of a repeated chant like えいや.

あらN1sense 2
あら expresses surprise and is often associated with women's speech, while やあ is gender-neutral and can express mild surprise or serve as a greeting.
えいや sense 3
えいや is a vigorous exertion shout often repeated in a chant, closely matching the effort sense of やあ used when lifting or exerting force.
よー
やあ is a simple casual greeting like 'hi', while よー can be used the same way but also doubles as an emphatic urging particle.
ハロー
やあ is a native casual greeting between friends, whereas ハロー carries a foreign, English-flavored casualness.

こんにちはpolite 丁寧語N4sense 1
こんにちは is the standard polite greeting used in most situations, while やあ is a casual, informal way to say hi among friends.

The origin is uncertain; it is a natural exclamation found in many languages, possibly onomatopoeic or a spontaneous vocalization.