Here are the possible solutions for it's crude at first clue
Answer
Clue
Relevancy
oil
Clue
It's crude, at first
Definition
to lubricate with a greasy substance
fun
Clue
First word across in the first-ever crossword (1913) and the first of a dozen appearances of the word in this puzzle's grid, written word search-style (left, right, down, and diagonally) ... Can you f
Definition
to act playfully
abaci
Clue
Crude counters
Crude counter
Crude adders
Definition
ABACUS, (Latin) a counting frame using beads
abacus
Clue
Crude calculator
Definition
(Latin) a counting frame using beads
adobes
Clue
Crude building bricks
Definition
ADOBE, (Spanish) an unburned, sun-dried brick made of clay and straw, also DOBE, DOBIE, DOBY
argal
Clue
Crude tartar
Definition
a hard crust (generally reddish) formed on the sides of wine-vessels, also ARGOL