1. Going in.

2. Entrance.

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

• invoing,
• ingoung,
• ingioing,
• ingouing,
• ingooing,
• inoging,
• ingoinng,
• ingoingg,
• ingowing,
• inropin,
• ingoings,
• ingoiner,
• ingoungs,
• ingiina,
• Indoine,
• Indoinne,
• ingowring,
• Injoine,
• Injointe,
• Ingoeing

• in kind,
• inkling,
• engine,
• inking pad,
• inguinal,
• insinuate,
• Inking,
• incoming,
• insincere,
• inconel,
• ongoing,
• insomniac,
• insomnia,
• inning.

The adjective form of the word "ingoing" is "incoming".

The plural form of the word "ingoing" is "ingoings"

The singular form of the word "ingoing" is "ingoing". The word does not change when used in singular or plural form.