Tactful  

Adjective | takt-fuhl
skilled at dealing with people

Squalid  

Adjective |skwol-id
foul and repulsive, as from lack of care or cleanliness; neglected and filthy

Sparingly  

Adverb | spair-ing-lee
in an economical or limited way

Unilateral  

Adjective | yoo-nuh-lat-er-uhl
one-sided

Vital  

Adjective | vahyt-l
urgently necessary

Sheer  

Adjective | sheer
so thin that light can shine through

Scrutinize  

Verb | skroot-n-ahyz
to examine carefully and critically

Scorn  

Verb | skawrn
the strong feeling that you have when you do not respect somebody/something