stonier
Less yielding emotionally
Stonier is the comparative form of stony—more rocky, harder, or more unyielding.
A path may be stonier than expected, making the hike difficult.
Figuratively, a stonier expression or reception is colder and less welcoming: Her face grew stonier as he continued his excuses.
More strewn with stones
rockier
More strewn with stones
colder
Lower in temperature
firmer
More resistant to pressure