Answer: oiliest

AnswerCrossword Clue
OILIESTMost greasy or smarmy
oiliestOILY, covered in oil
oiliestof or pertaining to oil
oiliestsmeared or covered with oil or a similar viscous substance; greasy
oiliestsmooth or unctuous, as in manner or speech
oiliestof the nature of, consisting of, or resembling oil
oiliestin an oily manner
oiliestfull of or containing oil
OILIESTMost obsequious
OILIESTSuperlatively slick
OILIESTSuperlatively smooth-tongued
OILIESTMost sleazy
OILIESTSuperlatively smarmy
OILIESTLeast trustworthy
OILIESTMost unctuous
OILIESTLike the slickest city slicker
OILIESTMost unctuous.
OILIESTGreasiest.
OILIESTMost slimy
OILIESTMost greasy
OILIESTMost smarmy