1. Born out of wedlock
   - misbegot, misbegotten, spurious 
2. Of no value or worth
   "I was caught in the bastardly traffic"
   - mean

See also: contemptible, illegitimate

• inward-moving
• inwardly
• inwardness
• inwards
• inweave
• inwrought
• Io
• io moth
• IOC
• iodate
• iodic acid
• iodide
• iodin
• iodinate
• iodinated
• iodinated protein
• iodinating
• iodination
• iodine
• iodine-125
• iodine-131
• iodise
• iodised
• iodize
• iodized