unshelled

is likely misspelled.

has no English definition.

As an adjective unshelled

is not having had the shell removed.

As a verb unswelled

is simple past of unswell.

As an adjective unshelled is

not having had the shell removed.

As a verb unshelved

is (unshelve).

As an adjective unshelled is

not having had the shell removed.

As adjectives the difference between inshelled and unshelled

is that inshelled is (obsolete|nonce) hidden in a shell while unshelled is not having had the shell removed.

As adjectives the difference between unshelled and unsmelled

is that unshelled is not having had the shell removed while unsmelled is not having been smelled.

As adjectives the difference between unspelled and unshelled

is that unspelled is not spelled while unshelled is not having had the shell removed.

As a verb unspelled

is (unspell).

As a noun shell

is a hard external covering of an animal.

As a verb shell

is to remove the outer covering or shell of something. See sheller.

As a proper noun Shell

is a diminutive of the female given name Michelle.

As an adjective unshelled is

not having had the shell removed.