The answer to each of the clues contains a single silent letter. In order, the answers are:
- ISLAND
- WRONG
- BREAD
- HYMN
- VISCOUNT
- PTEROSAUR (or PTERANODON)
- SCORE
- INDICT
- FRUIT
- GLOVES
- DEBRIS
- LEOPARD
- FEBRUARY (The R may be pronounced, but that is the secondary pronunciation according to several dictionaries)
- DOSSIER
- IMAGINE
- MNEMONIC
- YOUNG
- TSUNAMI
- GIVE
- THUMB
- BUILD
- BUFFET
- LISTEN
- JEOPARDY
- COLUMN
The silent letters, in order, spell out SWAN SPECIES OR REMOTE BUTTON. The solution is MUTE.