What does hardener mean in crosswords?

hardener means: one that hardens, especially a substance added to varnish or paint to give it a harder surface or finish.

Which crossword clues can have hardener as the answer?

Possible clues for hardener include "Paint additive".

Word entry · 8 letters

Best crossword clue

"Paint additive"

8 letters · collected on this word page

8 lettersPronunciation /ˈhɑɹdn̩ɚ/Part of speech nounSorted adeehnrrStarts with HEnds with R1 clues

1H2A3R4D5E6N7E8R

one that hardens, especially a substance added to varnish or paint to give it a harder surface or finish.

From harden + -er.

Source: Wiktionary, CC BY-SA 4.0

01“Paint additive”8 letters

Not quite right?

H_______