leath·er·neck 
(lĕthər-nĕk′)
(lĕthər-nĕk′)n.
Slang
Slang
A member of the US Marine Corps.
[From the leather neckband that was once part of the uniform.]
- unanticipated
- unanticipatedly
- unapologetic
- unapologetically
- unappealable
- unappealably
- unappealing
- unappealingly
- unappeasable
- unappeasably
- unappetizing
- unappetizingly
- unappreciated
- unappreciative
- unappreciatively
- unapproachability
- unapproachable
- unapproachableness
- unapproachably
- unappropriated
- unapproved
- unapt
- unaptly
- unaptness
- unarguable