1. Being, living, or happening at the same time.

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

• contemporanous,
• contemperaneous,
• xontemporaneous,
• vontemporaneous,
• fontemporaneous,
• dontemporaneous,
• cintemporaneous,
• contemportaneous,
• contempraneous,
• contemporaneus,
• contemporaneouss,
• Cotamporaneous,
• unontemporaneous,
• contemporeous,
• contemperaneus,
• contemporianous,
• contemporayous,
• contemprianeous,
• contemporarous,
• contemporareous

• contemporaries,
• contemporaneously,
• contemporaneity,
• contemporise,
• contemporary world,
• contemporary,
• contemptuously,
• contemptuous,
• contemplation,
• contemporize,
• contemplative,
• contemptible.

The adjective form of the word "contemporaneous" is "contemporaneous".

The plural form of the word "contemporaneous" is "contemporaneouses". However, this plural form is rarely used, and "contemporaneous" is typically used as both the singular and plural form.

The singular form of the word "contemporaneous" is "contemporaneity"