argūtŭlus, a, um, adj. dim. [argutus]. *
I A little noisy , talkative , or loquacious (v. argutus, A. 2. a.): famula, Ap. Met. 2, 6, 17.—
II Somewhat subtle , acute , keen (v. argutus, B. 1.): libri, Cic. Att. 13, 18.
argūtulus adj. dim. argutus, somewhat subtle : libri. ...
An Elementary Latin Dictionary