Verb

To corrupt, make worse

Syn: Pollute, sully

Anton: Purge, expurgate

Ambidextrous

Adj

Able to use both hands equally well, very skillfull

Syn: Facile, Versatile

Anton: Clumsy, maladroit

Verb

To make larger, increase

Syn: Enlarge, Amplify

Anton: Decrease, diminish

Adj

Deprived of, made unhappy

Syn: Bereaved

Anton: Replete, well provided

Verb

To posision or arrange

Syn: Station, organize

Adj.

Stern, gloomy, 

Syn: Harsh, bleak, forbidding, saturnine

Anton: Cherry, inviting