The word "sm" appears to be a typographical error or an abbreviation, as it does not correspond directly to any known English word. It is possible that it is intended to be "same," "smile," or "smell," depending on the context. If you have a specific context in mind, please clarify!
Since "sm" does not correspond to a specific word, I will provide synonyms for "smile": - Grin - Beam - Smirk - Simper
Here are antonyms for "smile": - Frown - Scowl - Glower - Grimace
The word "smile" originates from Middle English "smilen," which evolved from Old English "smēol," and is related to similar words in other Germanic languages, derived from Proto-Germanic roots.
If there’s a different word you intended or a specific context for "sm," please let me know!