"All in" is a phrase often used in poker to indicate that a player is risking all of their remaining chips on a single hand. However, the phrase has taken on a more general meaning, referring to a person's complete commitment or dedication to a particular endeavor. Synonyms for "all in" include "fully committed," "entirely devoted," "completely invested," and "wholeheartedly dedicated." Other phrases with similar connotations include "putting everything on the line," "going all out," "throwing your weight behind," and "giving it your all." Regardless of the specific wording used, the meaning is clear: to be "all in" is to show unwavering dedication and complete commitment to a cause or goal.