The word "unsmooth" is spelled with the prefix "un-" added to the word "smooth". The IPA phonetic transcription of this word is /ʌnsmuːð/. The prefix "un-" indicates a negation or reversal of the meaning of the base word. In this case, "smooth" means "having a flat, even surface", while "unsmooth" means "not having a flat, even surface". The "oo" sound in "smooth" is pronounced as a long u sound, while the "th" sound in "unsmooth" is pronounced as a voiced dental fricative.
The term "unsmooth" is an adjective that describes something that lacks smoothness or has a rough or uneven texture. It is derived from the combination of the prefix "un-" meaning not, and the adjective "smooth" meaning having a regular, even, or flat surface.
When used to describe a physical surface, "unsmooth" refers to a texture that is not uniform, lacking the sleekness or evenness that is typically expected. It suggests a roughness, bumpiness, or coarseness that can be felt or observed. For example, an unsmooth sheet of metal may have dents or irregularities, making it difficult to slide a finger across without encountering obstacles or changes in elevation.
In a metaphorical sense, "unsmooth" can also describe processes, experiences, or interactions that lack ease, harmony, or fluidity. It conveys a sense of difficulty, unpredictability, or discomfort in achieving desired outcomes or maintaining a steady progression. For instance, an unsmooth negotiation refers to a process that encounters obstacles, conflicts, or inefficiencies, making it challenging to reach an agreement smoothly.
Overall, the term "unsmooth" describes something that deviates from the expected or desired smoothness, whether physically or metaphorically. It emphasizes a lack of regularity, evenness, or fluidity, highlighting the presence of roughness, bumpiness, or difficulty.
Not even on the surface; rough.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "unsmooth" is derived from the combination of the prefix "un-" which means "not" or "lack of" and the word "smooth", which comes from the Old English word "smōth" meaning "level" or "even". The Old English word itself is derived from the Proto-Germanic word "smothaz".