Past tense of broadcast (non-standard); transmitted a program to a wide audience via radio, television, or digital media.
From broadcast (to cast/scatter broadly, as in sowing seeds), with -ed past tense. Broadcasted is technically non-standard; 'broadcast' is the preferred past tense form.
Interestingly, 'broadcast' stays the same in past tense (like 'broadcast yesterday'), but many English speakers still say 'broadcasted'—showing how our language is always in flux as people apply regular verb rules to newer words.
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