Adjective:

न समझने योग्य, पुष्टक्रूर, दुष्कर, संगीन, सख़्त, दृढ़, ठोस, कड़ा, कठिन,

Adverb:

कठिनता से,

hardest's Usage Examples:

Darian relaxed, aware he'd won the hardest battle yet.

Hardest thing I've ever done.

It was a singular experience that long acquaintance which I cultivated with beans, what with planting, and hoeing, and harvesting, and threshing, and picking over and selling them--the last was the hardest of all--I might add eating, for I did taste.

Boring was effected with the sand-drill; the hardest rocks may have been pierced with specially hard sand.

The three Austrian columns fighting their hardest through the day were unable to capture more than half the village; the rest was still held by Massena when night fell.

Along the western side of northern Anti-Lebanon stretches the Khasha'a, a rough red region lined with juniper trees, a succession of the hardest limestone crests and ridges, bristling with bare rock and crag that shelter tufts of vegetation, and are divided by a succession of grassy ravines.

"You made the hardest choice," he added softly.

But this " critical value " of the force is found to depend in an unexpected manner upon the hardness of the steel; the critical value diminishes as the hardness becomes greater up to a certain point, corresponding to a yellow temper, after which it increases and with the hardest steel becomes very high.

A diamond is the hardest, most resilient, most beautiful gem of all.

You made the hardest choice.

Synonyms:

rough, delicate, catchy, ambitious, ticklish, tall, difficulty, tight, herculean, sticky, elusive, effortful, baffling, fractious, troublesome, awkward, unenviable, trying, nasty, vexed, problematic, hard-fought, difficultness, arduous, tricky, embarrassing, rocky, knotty, challenging, touchy, difficult, rugged, demanding, problematical, thorny, tough, serious,

Antonyms:

frivolity, undemanding, easy, effortless, ease,