The phrase "double-take" refers to the act of quickly looking twice at something surprising or unusual. There are several synonyms that could be used to replace this phrase, such as "rerun glance," "second look," or "twice-take." Other possible options include "surprised stare," "sudden glance," or "momentary pause." Some people might also use the term "double-check" as an alternative. Regardless of the phrasing chosen, each of these words conveys the sense of taking a moment to process something unexpected or attention-grabbing. Whether it's a person, object, or situation, a double-take is a spontaneous response to something that catches your eye.