Synonyms and antonyms of Hard and smooth in American Thesaurus

smooth (adjective)

completely even with no rough areas or lumps

flat (adjective)

smooth on the surface, with no lumps or slopes

level (adjective)

flat and smooth

even (adjective)

flat and level, without any holes or raised areas

slippery (adjective)

a slippery surface, object, etc. is difficult to move on or to hold because it is smooth, wet, or covered in something such as ice or oil

glassy (adjective)

smooth and shiny like glass

glazed (adjective)

decorated or protected by a smooth shiny top layer

slithery (adjective)

informal looking or feeling slippery, especially in an unpleasant way

smoothly (adverb)

in a way that produces a smooth, even surface

blunt (adjective)

not pointed or sharp

alabaster (adjective)

literary very white and smooth