Pronunciation: /ˈhɑːrdnəs/
noun the quality or condition of being hard
A1 The hardness of the rock made it difficult to break.
A2 The hardness of the bread crust was surprising.
B1 The hardness of the ice made walking dangerous.
B2 The hardness of the diamond is what makes it so valuable.
C1 The hardness of the metal exceeded all expectations.
C2 The hardness of the material was tested using advanced scientific methods.
verb not applicable
A1 The rock's hardness makes it difficult to break.
A2 She tried to hardness the clay by baking it in the oven.
B1 The chef explained that the key to a good steak is to hardness it at a high temperature.
B2 The artist used a special technique to hardness the paint on the canvas.
C1 The engineer had to hardness the metal to withstand extreme temperatures.
C2 The scientist studied the process of how metals hardness under certain conditions.
adjective describing something that is difficult to bend or break
A1 The rock's hardness made it difficult to break.
A2 The teacher explained the concept of hardness using everyday objects.
B1 The hardness of the metal determined its durability.
B2 The hardness of the exam questions surprised the students.
C1 The hardness of the diamond is unmatched by any other mineral.
C2 The scientist studied the hardness of various materials in the lab.
adverb not applicable
A1 The rock's hardness made it difficult to break.
A2 She scrubbed the floor with great hardness, trying to remove the stubborn stain.
B1 The hardness of the metal made it ideal for use in construction.
B2 The artist sculpted the marble with incredible hardness, creating a masterpiece.
C1 The professor's lectures were known for their intellectual hardness, challenging even the brightest students.
C2 The CEO managed the company with a level of hardness that ensured its success in the competitive market.
pronoun not applicable
A1 The hardness of the rock made it difficult to break.
A2 The hardness of the bread made it stale quickly.
B1 The hardness of the exam questions surprised the students.
B2 The hardness of the decision weighed heavily on her mind.
C1 The hardness of the negotiations made reaching a compromise challenging.
C2 The hardness of the truth was difficult for him to accept.
preposition not applicable
A1 The hardness of the rock made it difficult to break.
A2 The hardness of the ground caused my shoes to wear out quickly.
B1 The hardness of the exam questions surprised the students.
B2 The hardness of the decision weighed heavily on her mind.
C1 The hardness of the negotiations made reaching a compromise challenging.
C2 The hardness of the judge's ruling left no room for appeal.
conjunction not applicable
A1 The cake was too hard; it was difficult to cut.
A2 She found the hardness of the rock surprising as she tried to break it.
B1 The hardness of the exam made it challenging for students to pass.
B2 The hardness of the decision weighed heavily on his mind.
C1 The hardness of the negotiations made reaching a compromise difficult.
C2 The hardness of the truth hit her like a ton of bricks.
interjection not applicable
A1 Hardness! That math problem was really difficult.
A2 Hardness! I can't believe how hard this new video game level is.
B1 Hardness! The exam questions were much harder than I expected.
B2 Hardness! The complexity of the scientific research project is overwhelming.
C1 Hardness! The challenges of managing a large team can be daunting.
C2 Hardness! The intricacies of quantum mechanics never cease to amaze me.
article not applicable
A1 The hardness of the rock made it difficult to break.
A2 The hardness of the exam questions surprised the students.
B1 The hardness of the metal determined its durability.
B2 The hardness of the diamond is what makes it valuable.
C1 The hardness of the material was tested using a special machine.
C2 The hardness of the substance was measured on the Mohs scale.
formal The hardness of the material is a key factor in determining its durability.
informal I didn't realize the hardness of the rock until I tried to break it.
slang Man, that test was hardness, I barely passed.
figurative The hardness of his heart made it difficult for him to forgive.
hardnesses
harder
hardest
hardens
will harden
has hardened
is hardening
hardness
hard
harden
hardening
hardened