noun, verb, sieved, siev⋅ing.| 1. | an instrument with a meshed or perforated bottom, used for separating coarse from fine parts of loose matter, for straining liquids, etc., esp. one with a circular frame and fine meshes or perforations. |
| 2. | a person who cannot keep a secret. |
| 3. | to put or force through a sieve; sift. |