Question

nonchalantly has the same or almost the same meaning as: historically officially commonly indifferently

Explanation:

• "Nonchalantly" means showing a lack of concern or interest, being indifferent.
• "Historically" relates to the past.
• "Officially" pertains to something done with authority.
• "Commonly" means frequently or generally.
• Only "indifferently" has a similar meaning to "nonchalantly" as it also conveys a lack of concern or interest.

Answer:

indifferently