4000 Essential English Words 6 Unit 2: The Fossil Hunters
- arduous [ˈɑːrdjʊəs] adj.
When something is arduous, it demands great effort or labor.
→ The explorers began their arduous hike up the steep mountain.
- attain [əˈtein] v.
To attain something means to gain or achieve it, often after a lot of effort.
→ In two more years, I will attain my high school diploma.
- coexist [ˈkouigˈzist] v.
To coexist with something means to exist with it in the same time and place.
→ Our pets coexist at our home with little or no problems.
- conceive [kənˈsiːv] v.
To conceive something means to be able to imagine or believe it.
→ The child could not conceive the actual size of the Earth.
- dubious [ˈdjuːbiəs] adj.
When something or someone is dubious, they are not considered honest.
→ The police thought that the man’s description of the crime was dubious.
- ego [ˈiːgou] n.
An ego is a person’s sense of their own worth.
→ Kelly’s ego made her think that she was some kind of a superhero.
- elastic [iˈlæstik] n.
Elastic is a rubber that stretches when it is pulled.
→ He attached the elastic bungee to his legs before he jumped off the platform.
- endeavor [enˈdevər] n.
An endeavor is an attempt to do something, especially something new or original.
→ The company’s new advertising endeavor ended in a horrible failure.
- engrave [inˈgreiv] v.
To engrave means to cut a design or words into the surface of something.
→ The couple engraved their names onto the old pine tree.
- excavate [ˈekskəveit] v.
To excavate means to dig on land and remove dirt to look for something.
→ The team wishes to excavate the site in hopes of finding fossils.
- jagged [ˈdʒӕgid] adj.
When something is jagged, it has a tough, uneven shape or edge.
→ The swimmer was hurt when he fell on the jagged rocks.
- locale [louˈkæl] n.
A locale is a small area or place where something specific happens.
→ The spa was the perfect locale for my mother to relax and enjoy her vacation.
- mold [mould] n.
A mold is a hollow container that is used to make certain shapes.
→ Using a cupcake mold will ensure that they come out just right.
- outright [autˈrait] adj.
When something is outright, it is open and direct.
→ Everyone knew that the boy’s story was an outright lie.
- periphery [pəˈrifəri] n.
The periphery of an area, place, or thing is the edge of it.
→ A beautiful floral pattern is on the periphery of the stationery.
- plaster [ˈplæstər] n.
Plaster is a smooth paste that gets hard when it dries.
→ He used plaster to fill in the cracks in the old walls.
- shovel [ˈʃʌvəl] n.
A shovel is a tool with a long handle that is used for digging.
→ The boy grabbed his shovel and got all of the snow off of the sidewalk.
- skeletal [ˈskelətl] adj.
When something is skeletal, it relates to bones in the body.
→ We studied the skeletal system in anatomy class.
- terrestrial [təˈrestriəl] adj.
If something is terrestrial, it relates to Earth.
→ There are billions of terrestrial life forms.
- vicious [ˈviʃəs] adj.
When something or someone is vicious, they are violent and cruel.
→ The vicious dog tried to bite the small child.