"commercial" in the noun sense
1. commercial, commercial message
a commercially sponsored ad on radio or television
"commercial" in the adjective sense
1. commercial
connected with or engaged in or sponsored by or used in commerce or commercial enterprises
"commercial trucker"
"commercial TV"
"commercial diamonds"
2. commercial
of or relating to commercialism
"a commercial attache"
"commercial paper"
"commercial law"
3. commercial, commercial-grade
of the kind or quality used in commerce average or inferior
"commercial grade of beef"
"commercial oxalic acid"
Source: WordNet® (An amazing lexical database of English)
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