1. High.

2. Of joy or mutual exhortation.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• thiey,
• hee,
• hely,
• veyy,
• theey,
• tey,
• thewy,
• hef,
• dey,
• yey,
• hyy,
• heary,
• hev,
• wey,
• haevy,
• rey,
• vey,
• hei,
• hea,
• hiy

• hen,
• Her,
• -ey,
• They,
• he'd,
• Hee,
• hew,
• key,
• H,
• he's,
• whey,
• he,
• hewey,
• hem,
• hay.

The plural form of the word "Hey" is also "Hey".

The singular form of the word "Hey" is "Hey".