Look-up History
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Show words looked up
Word |
# |
Date |
Definition |
Site |
Level |
| smog |
1 |
today |
a mixture of smoke and fog that is caused by moist air and human pollution. |
Main |
Int. |
| need |
1 |
today |
a requirement, necessity, or obligation. [10 definitions] |
Main |
Adv. |
| persevere |
1 |
today |
to continue steadfastly in a task or course of action or hold steadfastly to a belief or commitment, esp. when met with opposition or difficulties; persist. |
Main |
Adv. |