simplicity
UK: sɪmˈplɪsɪti | US: sɪmˈplɪsəti
n. the quality or condition of being easy to understand or do
n. the quality of being plain or natural
n. lack of complexity or intricacy
simplic<simple> + ity<noun suffix>
- simplic (from Latin simplex, meaning "simple, plain," combining sim- <same> + -plex <fold>)
 - ity (noun-forming suffix indicating state or quality, from Latin -itas)
 
Etymology Origin:
The word simplicity traces back to Latin simplicitas, derived from simplex ("uncomplicated"). The root sim- implies "oneness" or "sameness," while -plex denotes "fold." Thus, simplex originally meant "once-folded" (i.e., not twisted or tangled). Over time, simplicity evolved to signify clarity, ease, and absence of adornment, reflecting the core idea of "unmixed" or "straightforward."
The simplicity of the design makes it user-friendly.
She admired the simplicity of rural life.
His explanation lacked simplicity, confusing the audience.
The recipe’s simplicity appeals to beginner cooks.
There’s elegance in simplicity.