Stiff letter Synonyms

Stiff replaced

inflexible letter

formal letter

awkward letter

stubborn letter

Definitions for Stiff

(adjective) incapable of or highly resistant to bending
(adjective) difficult to endure
(adjective) going beyond a normal or acceptable limit in degree or amount

SL abbreviation

SL is an abbreviation for Stiff Letter

What does SL stand for?

SL stands for "Stiff Letter"

Definitions for Letter

(noun) a message on paper from one person or group to another
(noun) the owner of land or housing that is rented to another
(noun) a written message addressed to a person or organization