Definition
Definition
Definition
Use in a sentence
Use in a sentence
100

Ancestor

A person from whom one is descended.

100

Extinct

No longer existing or living

100

Obscure 

To cover up or keep from being seen

100

The giant woolly mammoth became ____________about ten thousand years ago.

extinct 

100

Steve and Martha _______________the peaches from their orchard by canning them.

preserve

200

Carnivore

A flesh-eating animal.

200

Ferocious

fierce

200

Option

Choice or something that is available as a choice 

200

Doberman pinschers make _______________ guard dogs.

ferocious

200

Chickens are the natural __________of foxes.

prey

300

Comprehend

To understand

300

Extinct

No longer existing or living 

300

Premature

Too early, happening or arriving before the given time

300

Clouds _____________the moon.

obscured

300

Lifting weights can change _________muscles into powerful ones.

puny

400

Duration

The time during which something lasts or continues.

400

Ferocious

being fierce 

400

Preserve

To save; to keep from harm; to protect

400

The Spruce Goose was a ______________airplane that made only one flight.

gigantic

400

Only three passengers _______________the plane crash.

survived

500
Evident

Easy to see and understand; obvious, clear.

500

Puny

Weak 

500

Prey

An animal that is hunted for food

500

We had the ___________of practicing soccer during the lunch break or after school.

option

500

We stayed in our house for the ________________of the heavy downpour.

duration