Alli is one of the few over-the-counter diet aids that might actually work, according to the Mayo Clinic. The pill is a lower-dosage version of Xenical, consisting of 60 mg of the fat-blocking drug orlistat.
Adjective[edit] tentative â(comparative more tentative, superlative most tentative) Of or pertaining to a trial or trials; essaying; experimental.
from The American HeritageÂ® Dictionary of the English Language, 4th Edition. 1  adj. In an initial or early stage; incipient. 2  adj. Imperfectly formed or developed: a vague, inchoate idea.