Sign

兆し

kizashi

(omen — see also omen)

兆候

chōkō

(omen — see also omen)

印

shirushi

(a fact that shows that something exists or may happen)

合図

aizu

(meaningful gesture)

手話

shuwa

(sign language in general — see also sign language)

標識

hyōshiki

(a fact that shows that something exists or may happen)

看板

kanban

(flat object bearing a message)

符号

fugō

(a mark or another symbol used to represent something)

符号

fugō

(math: positive or negative polarity)

符号

fugō

(any of several specialized non-alphabetic symbols)

記号

kigō

(a mark or another symbol used to represent something)

記号

kigō

(any of several specialized non-alphabetic symbols)

サインする

sain suru

(to make (a document) official by writing one's signature)

サインする

sain suru

(to write one's signature on a document)

署名する

shomei suru

(to make (a document) official by writing one's signature)

署名する

shomei suru

(to write one's signature on a document)