More offbeam means deviating further from the correct or expected course. Antonyms for this term would include phrases such as "on track," "correctly aligned," "accurate," or "appropriate." These terms suggest that one is following a set path or goal, and that they are not straying from it in any way. Other antonyms might include "aligned," "consistent," "proper," or "suitable." These words all imply that something is being done in the correct or expected manner, and that there is no deviation from this path. Overall, antonyms for more offbeam are words that suggest correct alignment, consistency and accuracy.