'Unicellular' definitions:

Definition of 'unicellular'

From: WordNet
adjective
Having or consisting of a single cell

Definition of 'Unicellular'

From: GCIDE
  • Unicellular \U`ni*cel"lu*lar\, a. [Uni- + cellular.] Having, or consisting of, but a single cell; as, a unicellular organism. [1913 Webster]

Synonyms of 'unicellular'

From: Moby Thesaurus