variants: or counter-countermeasure or counter-counter-measure
plural countercountermeasures or counter-countermeasures or counter-counter-measures
Definition of countercountermeasure
: an action or device designed to negate or offset a countermeasure especially : a military system or device intended to block a sensing mechanism (such as a radar detector) that was intended to counteract another sensing mechanism (such as radar) They have made a massive investment in electronic counter-countermeasures, as well as lethal and non-lethal countermeasures. — Deborah M. Kyle et al.
Keep scrolling for more
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors