The bursting shells fired from such artillery.(noun)
Informal Excessive or abusive criticism.(noun)
Informal Dissension; opposition.(noun)
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 "flak" in a sentence
"So whenever you hear some label flak claiming 98% of the bands they sign lose money for the company, substitute the phrase "just don't earn enough" for the word "lose.""
"I will note also that she has taken some flak from the left because “too many” white males were hired."
"He will always face flak from the minority of introducing romance to Doctor Who."