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hardness

See definition of hardness on Dictionary.com
  • nounstability
  • nounseverity

synonyms for hardness

  • firmness
  • adherence
  • aplomb
  • assurance
  • backbone
  • balance
  • cohesion
  • constancy
  • dependability
  • determination
  • durability
  • endurance
  • establishment
  • fastness
  • immobility
  • immovability
  • maturity
  • permanence
  • perseverance
  • resoluteness
  • security
  • solidity
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antonyms for hardness

MOST RELEVANT
  • doubt
  • instability
  • spinelessness
  • uncertainty
  • weakness
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

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How to use hardness in a sentence

I see the hardness, but I also see that little boy inside that rough person.
A FORMER COP CREATED A PROGRAM TO HELP BALTIMORE KIDS. NOW, SHE’S HOPING TO GIVE THEM MORE: A PERMANENT SAFE HAVEN.THERESA VARGASAUGUST 25, 2021WASHINGTON POST
Using nanoparticles of a mineral similar to santabarbaraite, the scientists also 3-D printed strong, light materials with a range of hardness and stiffness.
THE TEETH OF ‘WANDERING MEATLOAF’ CONTAIN A RARE MINERAL FOUND ONLY IN ROCKSCHARLES Q. CHOIMAY 31, 2021SCIENCE NEWS
Participants compared the softness or hardness of different blocks.
CAPTURING THE SENSE OF TOUCH COULD UPGRADE PROSTHETICS AND OUR DIGITAL LIVESKATHIANN KOWALSKIAPRIL 22, 2021SCIENCE NEWS
The result is “art that is a self-willed test of hardness,” which some will consume “not to feel more but to feel less.”
THE CONTROVERSY AROUND AMAZON'S THEM UNDERSCORES THE TROUBLE WITH REALISTIC VIOLENCE IN GENRE TVJUDY BERMANAPRIL 13, 2021TIME
In our outdoor experiments, DyRET used a machine learning model, seeded with knowledge about the best leg configuration for a given combination of terrain hardness and roughness taken from the controlled tests.
THIS SHAPE-SHIFTING ROBOT CAN REARRANGE ITS BODY TO WALK IN NEW ENVIRONMENTSDAVID HOWARDMARCH 25, 2021SINGULARITY HUB 
As NASA explains, the microphone hears the intensity of the “pop” made by the laser turning the rock into plasma, which “reveals the relative hardness of the rocks, which can tell us more about their geological context.”
NASA’S NEW MARS ROVER IS EQUIPPED WITH THE FIRST AIRCRAFT TO FLY ON ANOTHER PLANETREBECCA HEILWEILFEBRUARY 18, 2021VOX
Despite being a mere 7 percent of the overall thickness of the exoskeleton, the calcite coating at least doubles the exoskeleton’s hardness, the team found.
MINERAL BODY ARMOR HELPS SOME LEAF-CUTTING ANTS WIN FIGHTS WITH BIGGER KINCHRISTIE WILCOXNOVEMBER 24, 2020SCIENCE NEWS
Each pencil has a built-in lead hardness indicator, so you always know what you’re picking up and putting to paper.
MECHANICAL PENCILS TO KEEP FOREVERPOPSCI COMMERCE TEAMNOVEMBER 2, 2020POPULAR-SCIENCE
Those atoms and the way they are arranged affect a polymer’s properties, such as its hardness or melting temperature.
SCIENTISTS SAY: POLYMERCAROLYN WILKEJUNE 29, 2020SCIENCE NEWS FOR STUDENTS
It is of an exceedingly hard, densely compact nature; from its hardness difficult to work, but susceptible of a very high polish.
ASBESTOSROBERT H. JONES
SYNONYM OF THE DAY
OCTOBER 26, 1985
Choose the synonym for future
capacitor

WORDS RELATED TO HARDNESS

  • acerbity
  • asperity
  • astringence
  • coldness
  • exactingness
  • exactness
  • formality
  • formalness
  • gravity
  • grimness
  • hardness
  • harshness
  • inclemency
  • inflexibility
  • obduracy
  • rigidity
  • rigor
  • seriousness
  • solemnity
  • sternness
  • stiffness
  • strictness
  • stringency
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.