Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun aa

3 senses of aa

Sense 1
aa -- (a dry form of lava resembling clinkers)
       => lava -- (rock that in its molten form (as magma) issues from volcanos; lava is what magma is called when it reaches the surface)

Sense 2
Alcoholics Anonymous, AA -- (an international organization that provides a support group for persons trying to overcome alcoholism)
       => nongovernmental organization, NGO -- (an organization that is not part of the local or state or federal government)

Sense 3
Associate in Arts, AA -- (an associate degree in arts)
       => associate degree, associate -- (a degree granted by a two-year college on successful completion of the undergraduates course of studies)