Lost
Off guard
Off guard adjective - Not prepared or vigilant.
Mutual synonyms
Both terms in one sentence
-
The Serbs were indeed caught off guard, but the river crossing was perilous enough that the Austro-Hungarian armies lost the initial engagements.
Source: Useful Notes / World War I -
Frieza also knew to dodge because he independently invented his own version (the Death Saucer, which he can guide telekinetically,) but got caught off guard by one of them and thus lost his tail.
Source: Absurdly Sharp Blade -
Having lost her Fatal Flaw, she has become far more level-headed and hard to catch off guard, creating countermeasures within countermeasures on the fly.
Cite this Source
Off guard and Lost. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/lost/off_guard
Lost & Off guard. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/lost/off_guard>.
Off guard or Lost. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/lost/off_guard.
Google Ngram Viewer shows how "lost" and "off guard" have occurred on timeline