The phrase 'most out-of-step' indicates a state of being discordant, out of sync, or at odds with the surroundings. The antonyms for this phrase include 'in sync,' 'in harmony,' 'concordant,' 'synergistic,' 'aligned,' 'compatible,' 'attuned,' 'cohesive,' 'consistent,' and 'congruent.' These words denote the state of being in agreement, union, or harmony with our surroundings. When individuals or entities are in sync, they work efficiently and collaboratively, leading to better outcomes. Thus, to avoid being 'most out-of-step,' one must cultivate an attitude of alignment, empathy, and coordination with the people and the environment around them.