Definitions:

1. a superficial aspect as opposed to the real nature of something noun
   • it was not what it appeared to be on the surface
2. on the surface adjective
   • surface materials of the moon
3. put a coat on verb
   • cover the surface of
4. the extended two-dimensional outer boundary of a three-dimensional object noun
   • they skimmed over the surface of the water
5. the outer boundary of an artifact or a material layer constituting or resembling such a boundary noun
   • there is a special cleaner for these surfaces
6. the outermost level of the land or sea noun
   • earthquakes originate far below the surface

Synonyms:

• airfoil
• coat
• come on
• come out
• open
• rise
• show up
• turn up

NearBy Words:

• surface-active
• surface-assimilative
• surface-mine
• surface-to-air