Lookaback

Lookaback

n.
the shock of meeting back up with someone and learning that your mental image of them had fallen wildly out of date—having grown up or gotten old, fallen apart or pulled themselves together—which shakes your faith in the accuracy of the social puppet show that runs continuously inside your head.

From look back + taken aback, taken by surprise.

Antiophobia

Ecstatic Shock

Fensiveness

Anderance

Mottleheaded

Dead Reckoning

Hanker Sore

Los Vidados

Immerensis

Skidding

Lackout

Fata Organa

Fardle-Din

Thrapt

Semaphorism

Falesia

The Kinder Surprise

Amoransia

Siso

Jouska

Emodox

Flashover

Mogging Folly

Inerrata

Pâro

Harmonoia

Ameneurosis