Done routinely and with little interest or care: The operator answered the phone with a perfunctory greeting. (adjective)
Acting with indifference; showing little interest or care.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "perfunctory" in a sentence
"Sequences that could sing with tension and excitement are done in perfunctory fashion."
"Although previously prepared forms may be used, special care should be exercised to insure that the use of forms of report of investigation does not result in perfunctory or inaccurate certifications of compliance with the requirements of this paragraph (34)."
"I introduced myself, and at my name his perfunctory manner changed."