Definitions
In a Sentence
Prefix Meaning
More Definitions
More Prefixes
100

A difficult task or problem

Challenge

100

Use ‘solitary’ correctly in a sentence. 

There was one solitary wolf left in the park.

100

Exo

‘Outside’ or ‘outer’

100

Prefix meaning ‘cause’

Etio

100

True or False: Astrology is the study of the moon. 

False: The study of the stars. 

200

A choice; a greater liking for one thing over another. 

Preference

200

Use ‘surplus’ in a sentence. 

The farmer sold the surplus corn. 

200

Psych

‘Mind’

200

Prefix meaning ‘time’

Chrono

200

True or false: Geo means ‘earth’

True!

300

Most important; main

Principal 

300

Use ‘peculiar’ in a sentence. 

That cat has a peculiar habit of sleeping on the table. 

300

Zo

‘Animal’

300

Prefix meaning ‘star’

Astro

300

Prefix meaning ‘environment’. 

Eco

400

To change 

Transform

400

Use ‘fertile’ in a sentence 

The farmer worked on fertile soil. 

400

Paleo

‘Ancient’

400

Prefix meaning ‘family’

Genea 

400

Prefix meaning ‘nation’ or ‘race’. 

Ethn

500

Relying on someone for something else. 

Dependent

500

Use preference in a sentence. 

My preference for ice cream is mint chocolate chip. 

500

Cosm

‘Universe’

500

Prefix meaning ‘universe’

Cosm

500

Is this sentence correct? The principle spoke at the assembly. 

No it is incorrect. 

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