picklevel best level best {adj. phr.} One's utmost; one's very best. Eric refused to stay in school although his parents did their level best to make him finish. Categories: add yours adjective Source: A Dictionary of American Idioms 'level best' on video How To Operate a Level Best Grading Box Trimble EWGO! Set Up for Level Best PD and GB Precision Grading Machines Level Best Model GB108 Grading Blade Level42 - Level Best - 1989n/LP Album sort: relevance, mode: exact match, q: "level best", maxResults: 4, videoEmbeddable: true, videoSyndicated: true, safeSearch: strict, type: video Subscribe to: American IdiomsEnglish Slang Comment on this entry