| SIL | any plant of the genus Silene |
|---|---|
| SIL | tuft- or mat-forming dwarf perennial of arctic regions of western and central Europe and North America |
| SIL | perennial of eastern and central North America having short-stalked pink or white flowers in hairy clusters |
| SIL | biennial European catchfly having red or pink flowers |
| SIL | bluish-green herb having sticky stems and clusters of large evening-opening white flowers with much-inflated calyx |
| SIL | perennial of arctic Europe having large white flowers with inflated calyx |
| SIL | perennial herb of eastern North America, having red flowers with narrow notched petals |
| SIL | perennial of arctic Europe having large white flowers with inflated calyx |
| SIL | unable to speak because of hereditary deafness |
| SIL | having a frequency below or above the range of human audibility |
| SIL | not made to sound |
| SIL | failing to speak or communicate etc when expected to |