Meaning

1 senses
  1. Designed so that loose powder etc. cannot sift out during transit.

Origin

From sift + -proof.

From sift + -proof.

Wiktionary, CC BY-SA 4.0 · source

Forms

more siftproof, most siftproof
Comparativemore siftproof Lesson
Superlativemost siftproof Lesson

regular

See also

neighbours in the dictionary
siftproof — meaning, examples, forms, synonyms | Krumeto