1. (adjective) belonging to some prior time

• erstwhile
• old
• one-time
• onetime
• quondam
• sometime

2. (adjective) (used especially of persons) of the immediate past

• late
• previous

3. (adjective) belonging to the distant past

• early
• other

1. (noun) the first of two or the first mentioned of two

• first
• number one

1. (adjective) belonging to some prior time

• past

2. (adjective) (used especially of persons) of the immediate past

• past

3. (adjective) belonging to the distant past

• past

1. (noun) the first of two or the first mentioned of two

• latter

2. (adjective) referring to the first of two things or persons mentioned (or the earlier one or ones of several)

• latter