Syva
All breakdowns
Lower-face archetype

The Defined-Jaw Archetype

How bone angles and low soft-tissue coverage create a sharp jawline.

88OverallExceptional
94
Jaw & Definition
90
Dimorphism
85
Midface
84
Harmony

Key measurements

Gonial angle
A sharper angle at the jaw corner.
119°
Cheek-to-jaw taper
Pleasing narrowing from cheekbone to jaw.
1.32
Submental support
Minimal soft tissue under the chin.
High

What stands out

  • Sharp gonial angle with strong ramus definition
  • Low submental fullness — a crisp jaw outline
  • Clear masculine dimorphism in balance

The breakdown

A defined jaw is part bone, part body composition. The gonial angle (where the jaw turns up toward the ear) and the ramus set the potential; soft-tissue coverage decides how much of that potential is visible. This is why the most controllable lever for most people is not the bone but the fat: a modest 3–5% body-fat reduction often reveals a jawline that was always there.

Grooming compounds it — a crisp cheek line and neckline create the *impression* of a sharper jaw. Posture matters too: forward-head position blurs the mandibular border in photos.

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