1. Of or pertaining to the botanical genus Allium
   "onions, leeks, garlic, chives are alliaceous plants" 
2. Smelling of onions or garlic

See also: Allium, odorous

• unfree
• unfreeze
• unfrequented
• unfretted
• unfriended
• unfriendliness
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• unfunctional
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• ungainliness
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• ungallant