Don't be worried; be confident (that something will happen). Often used as a clichéd saying for crimefighters and superheroes in comics, books, and movies. Never fear, the capacitors will withstand the surge in power. We'll get to the airport on time, never fear. Never fear, citizen—Super Guy is here!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
do not worry; have confidence. I'll be there on time—never fear. I'll help you, never fear.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
Don't worry that a thing will or won't occur, be confident, as in I'll get there, never fear. This phrase was used by Christopher Marlowe in Doctor Faustus (c. 1590): "'Tis but a surfeit; never fear, man."
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.