Frequency: The word is one of the 1500 most common words in English.
1.
Meanwhile means while a particular thing is happening.
Brush the aubergines with oil, add salt and pepper, and bake till soft. Meanwhile, heat the remaining oil in a heavy pan...
Kate turned to beckon Peter across from the car, but Bill waved him back, ~ pushing Kate inside.
ADV: ADV with cl
2.
Meanwhile means in the period of time between two events.
You needn’t worry; I’ll be ready to greet them. Meanwhile I’m off to discuss the Fowler’s party with Felix.
ADV: ADV with cl
3.
You use ~ to introduce a different aspect of a particular situation, especially one that is completely opposite to the one previously mentioned.
He had always found his wife’s mother a bit annoying. The mother-daughter relationship, ~, was close.
ADV: ADV with cl