I. in ‧ ter ‧ im 1 /ˈɪntərɪm/ BrE AmE adjective [only before noun]
1 . intended to be used or accepted for a short time only, until something or someone final can be made or found:
an interim report
He received an interim payment of £10,000.
An interim government was established.
2 . interim period the period of time between two events:
During the interim period, air quality has deteriorated.
II. interim 2 BrE AmE noun
[ Date: 1500-1600 ; Language: Latin ; Origin: 'in the period between two events' , from inter 'between' ]
in the interim in the period of time between two events SYN meanwhile :
The child will be adopted, but a relative is looking after him in the interim.