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perfunctory
Definition: (adjective) unenthusiastic, routine, or mechanical.
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nek·ton  audio  (nktn, -tn) KEY 

NOUN:
The collection of marine and freshwater organisms that can swim freely and are generally independent of currents, ranging in size from microscopic organisms to whales.

ETYMOLOGY:
Greek nkton, neuter of nktos, swimming, from nkhein, to swim; see sn- in Indo-European roots

OTHER FORMS:
nek·tonic  (-tnk) KEY (Adjective)


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