steepen

Become more vertical

To steepen is to make or become steeper—more sharply inclined or angled.

A road steepens as it climbs a mountain.

A learning curve steepens when difficulty increases rapidly.

The trail steepened dramatically after the first mile.

In finance, a yield curve steepens when the gap between short-term and long-term rates widens.

slope

incline

Angled rising surface

ascent · climb · hill · ramp · bank · tilt · angle · slant · elevation · uphill

intensify

escalate

Increase in severity

sharpen · increase · worsen · exacerbate · aggravate · accelerate · compound · magnify · quicken · tighten

curve

learning curve

Rate of skill acquisition

exponential · graph · arc · inflection · rate · trend · drop-off · falloff · plunge · dive

Opposites
gradient change

steepenflatten

Make level or smooth

level out · level off · shallow · ease · moderate

Phrases
Family

steep, steeply, steepness, steeper, steepening, steepens, steepened

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Everyday, not technical · Rated G