1. Not lubricated
   - ungreased

Antonym: lubricated

• tree-shaped
• tree-worship
• treed
• treehopper
• treeless
• treelet
• treelike
• treen
• treenail
• treetop
• tref
• trefoil
• trefoil arch
• treillage
• trek
• trekker
• Trekkie
• trellis
• Trema
• Trematoda
• trematode
• trematode worm
• tremble
• trembler
• trembles