1. Not able to be counted (e.g. because too many to count) 
2. (grammar) of a word that does not have a plural form

Encyclopedia: Uncountable

• limbers
• limbic
• limbic brain
• limbic system
• limbless
• limbo
• Limburger
• Limburger cheese
• Limburgish
• limbus
• lime
• Lime disease spirochete
• lime hydrate
• lime juice
• lime tree
• limeade
• Limeira
• limekiln
• limelight
• limen
• Limenitis
• Limenitis archippus
• Limenitis arthemis
• Limenitis astyanax
• Limenitis camilla