13-letter words containing f, e, l, s, i, d
- splendiferous — splendid; magnificent; fine.
- sulfadimidine — an antibacterial sulfa drug used in human and veterinary medicine. It is effective against chlamydia, toxoplasma, and cocidia
- sulfanilamide — a white, crystalline amide of sulfanilic acid, C 6 H 8 N 2 O 2 S, formerly used in the treatment of bacterial infections: replaced by its derivatives and by antibiotics.
- sulfapyridine — a sulfanilamide derivative, C 1 1 H 1 1 N 3 O 2 S, formerly used for infections caused by pneumococci, now used primarily for a particular dermatitis.
- superfluidity — a fluid that exhibits frictionless flow, very high heat conductivity, and other unusual physical properties, helium below 2.186 K being the only known example.
- undutifulness — the quality of being undutiful
- user-friendly — easy to use, operate, understand, etc.: the most user-friendly personal computer now on the market.
- well-finished — ended or completed.
- words fail me — I am too happy, sad, amazed, etc, to express my thoughts