Definitions:

1. a single undivided natural thing occurring in the composition of something else noun
   • units of nucleic acids
2. a single undivided whole noun
   • an idea is not a unit that can be moved from one brain to another
3. an individual or group or structure or other entity regarded as a structural or functional constituent of a whole noun
   • the reduced the number of units and installations
4. an organization regarded as part of a larger social group noun
   • the coach said the offensive unit did a good job
5. any division of quantity accepted as a standard of measurement or exchange noun
   • the dollar is the United States unit of currency

Synonyms:

• building block
• social unit
• unit of measurement
• whole

NearBy Words:

• unitard
• unitarian
• unitarianism
• unitary
• unite
• united
• unitedly
• uniting
• unitisation
• unitise
• unitization
• unitize
• unity