(a.) Most advanced; most forward; as, the headmost ship in a fleet.

acmatic ahead antecedent anterior apical arch banner before capital cardinal central champion chief consummate crowning dominant exordial first focal fore foregoing forehand foremost forward front frontal great head heading hegemonic highest in advance in front in the forefront in the foreground in the front in the lead inaugural initiatory leading magisterial main master maximal maximum meridian meridional overmost overruling paramount precedent preceding precessional precursory predominant preeminent prefatory preliminary preludial prelusive preparatory preponderant prevailing prevenient primal primary prime principal prior proemial propaedeutic ranking ruling sovereign star stellar summital supereminent supreme tip-top to the fore to the front top topflight topmost ultimate up ahead upmost uppermost vertical zenithal