We can use some adjectives as adverbs without having to make any changes to their spellings. In other words, these adjectives use the same words as the adverbs. There is no confusion here and we can use them correctly if we know how adjectives and adverbs are used.

 

 

airmail early inside quiet
alone easy just right
back even kindly sharp
best everyday last short
better extra left slow
big fair likely still
cheap far late straight
clean farther little sure
clear fast long thin
close fine loud thick
cold firm low through
daily first monthly tight
dead free near together
dear further only weekly
deep hard outside well
direct high overseas wide
dirty home past worse
double hourly pretty wrong
duty-free ill quick yearly

 

 

 

 Click to see example sentences:

  

Airmail – First

Hard – Near

Only – Together 

Well - Wrong