smooth adj.
1 without bumps
VERBS be, feel, look | become | wear sth The steps had been worn smooth by the thousands of passing feet.
ADV. beautifully, exceptionally, extremely, really, very her beautifully smooth complexion | completely, perfectly | almost | fairly, quite | deceptively the deceptively smooth surface of the glacier
2 without problems
VERBS be, feel, look, seem | become
ADV. extremely, incredibly, really, remarkably, very The project got off to a remarkably smooth start. | completely | not entirely The process of negotiation was not entirely smooth. | almost | fairly, quite, reasonably, relatively a fairly smooth transition to democracy
smooth verb
ADV. carefully, gently She smoothed his hair gently. | back, down, out Her mother smoothed back Alice's hair. Use an iron to smooth out any creases.
You can also check other dicts: smooth (English, 中文解释 ), wordnet sense, Collins Definition