noun

• (dated) A person who was born out of wedlock, and hence often considered an illegitimate descendant.
  "Jarrod: Who are you? Heath: Your father’s bastard son."
• (vulgar, offensive or derogatory, usually referring specifically to a man) A contemptible, inconsiderate, overly or arrogantly rude or spiteful person.
  "Some bastard stole my car while I was helping an injured person."
• (endearing or humorous) A man, a fellow, a male friend.
  "lucky bastard"
• (often preceded by ‘poor’) A suffering person deemed deserving of compassion.
  "Poor bastard, I feel so sorry for him."

adj

• Of abnormal, irregular or otherwise inferior qualities (size, shape etc).
  "Of what race could these people be? Their language was a bastard Arabic, and yet they were not Arabs; I was quite sure of that."
• (UK, Ireland, vulgar) Very unpleasant.
  "I’ve got a bastard headache."
• (printing) Abbreviated, as the half title in a page preceding the full title page of a book.
• (theater lighting) Consisting of one predominant color blended with small amounts of complementary color; used to replicate natural light because of their warmer appearance.
  "A bastard orange gel produces predominantly orange light with undertones of blue."

intj

• (rare) Exclamation of strong dismay or strong sense of being upset.
  "Jack says, “Oh! Bastard! I’m hit!” That bullet had to have come in the busted back window and how it missed Johnnie to hit Jack I don’t know."

verb

• (obsolete) To bastardize.
  "After her husband's death she was matter of tragedy , having lived to see her brother beheaded , and her two sons deposed from the crown , bastarded in their blood"