O you hard hearts, you cruel men (Julius Caesar)
O, ho, monster (The Tempest)
O, were mine eye bans into bullets turned, that in a rage I might shoot them at your faces (Henry VI Part 1)
Observe him, for the love of mockery (Twelfth Night)
Oh, these deliberate fools (The Merchant of Venice)
On my knee I give heaven thanks that I am not like to thee (King John)
Out of my door, you witch, you hag, you baggage, you polecat, you ronyon (The Merry Wives of Windsor)
Out of my sight, thou dost infect mine eyes (Richard III)
Out, dunghill (King John)
Interesting examples of Elizabethan Words beginning with the Letter O
The above online Elizabethan Insults dictionary contain old Elizabethan phrases beginning with the Letter O providing a valuable reference source when studying the literary works and plays of the famous Elizabethan author William Shakespeare.
Elizabethan Language Guide - An Elizabethan Online Dictionary
Click the following links to access more information about the old English Elizabethan Language and the Elizabethan Online Dictionary for an easy to follow Elizabethan language guide.