Illuminated by floodlights; brightly lit by powerful lamps (British English spelling preference).
Past tense/adjective form of 'floodlight'; British English prefers 'floodlit' while American English often uses 'floodlighted,' following divergent past-tense conventions.
The difference between 'floodlit' (British) and 'floodlighted' (American) is a tiny window into how languages diverge—Britain often dropped the '-ed' while America kept it, showing separate evolution.
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