english
1
general::
Phrase(s): smooth as silk Go to *smooth as glass and *smooth as silk
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Lacking impediments or obstacles, unhindered, as in The negotiations went smooth as silk. This simile alludes to the slippery quality of silk. [c. 1900] Also see SMOOTH SAILING.
American Heritage Idioms