on its way out

Losing its relevance

Declining in popularity, relevance, or viability—headed toward obsolescence or disappearance.

Something on its way out has passed its peak and is being replaced or abandoned: Landlines are on their way out.

Can also describe someone losing favor or about to be dismissed: After that scandal, he's on his way out.

Related

last legs · passé · out of fashion · eclipsed · waning · losing steam · decaying · fading away · falling by the wayside · outshined · legacy · unfashionable · defunct · has-been · past its prime · obsolescent · superseded · vanishing

Opposites
trajectory/trend direction

on its way outon the rise

Becoming greater or more

up-and-coming · trending upward · ascending · rising · emerging

cultural/social currency

on its way outin vogue

Currently popular, fashionable

all the rage · trendy · fashionable · hot · in style

vitality/viability

on its way outthriving

Succeeding vigorously

flourishing · going strong · booming · alive and well · in full swing

Family

ways, outs, outing, outward, outwardly, outermost

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G