reckless -
Acting without thinking about the consequences, often in a dangerous or irresponsible manner.
The reckless behavior of the lead hikers, going much too close to the edge of the cliffs, put everyone in danger during the climb.
verb
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crash -
To hit something with force, causing damage and a loud noise.
When he fell asleep at the wheel, his car crashed into tree.
noun
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tremor -
A slight shaking movement, such as one caused by an earthquake or instability; also a subtle or faint sign of emotion, such as fear or excitement in the voice or body.
Because he was nervous, his voice had a significant tremor during the presentation.
adjective
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ominous -
Giving the impression that something bad, unpleasant or threatening is going to happen.
The dark clouds overhead were an ominous sign that a storm was coming.
noun
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turmoil -
A state of agitation or turbulence.
The turmoil caused by the rush of water going in all directions over the rapids was dangerous for swimmers.
adjective
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disastrous -
Leading to a complete failure or disaster, causing great damage or suffering
The hurricane had a disastrous effect on the small town.
verb
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fester -
For negative feelings to get worse because they are not being dealt with
After their fight, Joan and David had a long talk to patch things up, because they didn't want to let any bad feelings fester.
verb
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blast -
To explode or destroy something or someone with explosives, or to break through or hit something with a similar, very strong force
While building the tunnel through the mountain, the construction crew blasted its way day by day until it was finished.
noun
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inferno -
A large fire that is dangerously out of control
The raging inferno that was consuming the forest would be a big challenge for the firefighters.
noun
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abyss -
A deep or seemingly bottomless hole or chasm.
He stood at the cliff's edge, staring into the black abyss, and he felt a mixture of awe, fear, and amazement.
verb
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perish -
To cease to exist or come to an end; disappear or be destroyed.
Many brave soldiers perished in the battle.
verb
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crack -
To break or cause to break without complete separation of parts, often with a sharp sound.
She cracked the mug when she accidentally dropped it.