1. Not capable of being obtained
   "timber is virtually unobtainable in the islands"
   - inaccessible, unprocurable, untouchable

See also: unavailable

• family Salvadoraceae
• family Salviniaceae
• family Santalaceae
• family Sapindaceae
• family Sapotaceae
• family Sarcoptidae
• family Sarcoscyphaceae
• family Sarraceniaceae
• family Saturniidae
• family Satyridae
• family Saururaceae
• family Saxifragaceae
• family Scarabaeidae
• family Scaridae
• family Scheuchzeriaceae
• family Schistosomatidae
• family Schizaeaceae
• family Schizophyceae
• family Schizosaccharomycetaceae
• family Sciadopityaceae
• family Sciaenidae
• family Sciaridae
• family Scincidae
• family Sciuridae
• family Sclerodermataceae