1. Dirty and disgusting
   "worry about the gossip and secretiveness and other scrimy sides" 
2. Petty or reluctant in giving or spending
   - grudging, niggardly

See also: offensive, stingy, ungenerous

• unfriendly
• unfrightened
• unfrock
• unfrosted
• unfrozen
• unfruitful
• unfueled
• unfuelled
• unfulfillable
• unfulfilled
• unfunctional
• unfunded
• unfunny
• unfurl
• unfurnished
• unfurrowed
• ungainliness
• ungainly
• ungallant
• ungarbed
• ungarmented
• ungathered
• ungeared
• ungenerous
• ungentle