Answer: crudest

AnswerCrossword Clue
CRUDESTA low for immaturity.
CRUDESTMost inexpert
CRUDESTLeast refined
CRUDESTLeast suave
CRUDESTLeast polished
CRUDESTMost cobbled-together
crudestConstructed in a rudimentary or makeshift way
crudest(of language, behavior, or a person) Offensively coarse or rude, esp. in relation to sexual matters
crudestCRUDE, unrefined
crudest(of figures) Not adjusted or corrected
crudest(of an estimate or guess) Likely to be only approximately accurate
crudestIn a natural or raw state; not yet processed or refined
crudest(of an action) Showing little finesse or subtlety and as a result unlikely to succeed