headmost (?.)
- 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
