Frequency: The word is one of the 3000 most common words in English.
1.
Something that is ~ is unexpected or unusual and makes you feel surprised.
It is not ~ that children learn to read at different rates...
A ~ number of customers order the same sandwich every day.
ADJ: oft it v-link ADJ that/to-inf
~ly
...the Flemish Bloc, which did ~ly well in the general election last year...
ADV: ADV with cl, ADV adj/adv
2.
see also surprise