Pronunciation: [ɡɹˈɪnə] (IPA) 
The term "grinner" can be spelled with the phonetic transcription /ˈɡrɪnər/. The first sound is "g" as in "go", followed by "r" pronounced like a rolled "r" in some languages. The next syllable starts with "i" as in "sit" and continues with "n" and "e" which are pronounced as they are written. The final sound is an unstressed "r" sound that is commonly found in words ending in "-er". In summary: /ˈɡrɪnər/.
Grinner is a noun that refers to a person who frequently smiles, laughs, or demonstrates joy by grinning. This term characterizes someone who often bears a broad, cheerful expression on their face, suggesting an inclination towards happiness or contentment.
The word "grinner" is derived from the verb "to grin," which denotes a facial expression involving the upward curving of the lips, often accompanied by an open mouth and a display of teeth. A grinner is someone who engages in this act frequently, exhibiting a disposition or temperament that is disposed to smiling or finding amusement in various situations.
Grinners are typically associated with positive energy and a buoyant demeanor, leaving a lasting impression on others. Their frequent display of joy can have a contagious effect, brightening the atmosphere and uplifting those around them. This term is often used in informal or colloquial language, describing individuals who appear to have a naturally jovial or cheerful disposition.
However, it is important to note that the use of the term "grinner" does not necessarily imply a lack of authenticity or depth of emotion. Rather, it characterizes a person who tends to find reasons to smile or express happiness more easily than others. Grinners may be inherently optimistic individuals, finding joy in the small pleasures of life and demonstrating a positive outlook.
One who.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
