Definitions

1. noun

a period of time when something is happening or being done while something else is waiting to happen or be done; meanwhile

“They waited in the meantime for the results of the test.”

2. adverb

during this period of time; meanwhile

“She studied in the meantime and passed the exam.”

3. adverb

at the same time as something else; simultaneously

“They worked on the project meantime as the marketing team was developing a plan.”