"War of nerves" refers to a situation where two opponents are putting pressure on each other to see who succumbs to the pressure first. Some synonyms for this phrase include psychological warfare, mind games, mental warfare, emotional manipulation, and nerve-racking conflict. Psychological warfare refers to an attempt to weaken or damage an opponent's state of mind. Mind games involve playing on somebody's emotions or weaknesses to gain an advantage. Emotional manipulation attempts to control an opponent or situation through emotional means. Nerve-racking conflict implies a tense and grueling battle of wills where both parties are trying to push each other over the edge. Regardless of the term chosen, it's clear that a war of nerves can be a formidable challenge.