flattening out

Losing its curve

Flattening out describes a curve, slope, or trajectory becoming level after rising or falling.

Economic growth flattens out when it stops increasing.

A plane flattens out when it levels off after climbing or descending.

The road flattens out after the hill.

The phrase often signals a transition from change to stability—neither improving nor worsening, just holding steady.

Related

smoothing · asymptote · steady state · ironing · leveling off · tapering off · compressing · diminishing returns · losing steam · equalizing · normalizing · evening out · smoothing over · homogenizing · blunting · dulling · taking the edge off · convergence

Opposites
physical shape/surface

flattening outcrumpling

Crushing into folds

wrinkling · rumpling · scrunching · crinkling · balling up

trajectory/trend

flattening outspiking

Rising sharply upward

steepening · accelerating · surging · shooting up · plummeting

volume/expansion

flattening outpuffing up

Inflating or expanding

inflating · swelling · rising · expanding · bulging

Family

flat, flatten, flattened, flattens, flatter, flattest, flatly, flatness, flatland

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