Harsh signifies something unpleasantly rough, severe, or cruel. It describes conditions, treatment, or judgments that are excessively demanding, unforgiving, or lacking in empathy.
It can refer to physical sensations that are abrasive or painful, or to emotional or social interactions that are abrasive and unkind.
The degree of unpleasantness associated with 'harsh' is significant; it goes beyond mere disagreement or mild discomfort, implying a significant level of negativity and potential for harm.
In essence, something that is harsh is difficult to endure and often leaves a negative impact.
GRIM DOUR
STERN STARK ACERB ROUGH GRUFF CRUEL STONY
SEVERE UNKIND STRICT SAVAGE COARSE BRUTAL
GRATING AUSTERE RAUCOUS CAUSTIC JARRING
EXACTING STRIDENT ABRASIVE DESOLATE
DRACONIAN INCLEMENT STRINGENT
ASTRINGENT TYRANNICAL IRRITATING DISCORDANT
UNFORGIVING