n. The business of selling products or services by making unsolicited telephone calls to potential customers.
the GNU version of the Collaborative International Dictionary of English
n. the use of the telephone as an interactive medium for promotion; calling potential customers by telephone for the purpose of selling something; -- applied especially to calls made to persons who have not previously contacted the seller.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the use of the telephone as an interactive medium for promotion and sales
Word Usage
"Asked how he spent the money he made in telemarketing, one subject replied, 'houses, girls, just going out to nightclubs and lots of blow"