guarantee (something) against (something) for (some length of time)(redirected from guarantee it against for)
guarantee (something) against (something) for (some length of time)
To confirm or certify that an item or product will not break or deteriorate for a certain length of time (stated after "for"). I hope the company guaranteed your fancy new blender against breaking for at least a year.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.