The phrase "light in the head" typically refers to feeling dizzy, disoriented, or lightheaded. Some common synonyms for this phrase include woozy, faint, unsteady, dizzy, and vertiginous. Other similar phrases that express similar sensations include "feeling off-balance," "head spinning," "off-kilter," and "discombobulated." These phrases might be used to describe a variety of experiences, from standing up too quickly to experiencing an inner ear infection. No matter what words are used to describe the sensation, it's always important to take safety precautions and seek medical attention if necessary to address any underlying causes of feeling light in the head.