smooth as silk
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.
Words nearby smooth as silk
smolt,
smooch,
smoodge,
smoosh,
smooth,
smooth as silk,
smooth breathing,
smooth collie,
smooth diet,
smooth dogfish,
smooth endoplasmic reticulum