"flimsiest" in the adjective sense
1. flimsy, insubstantial
lacking solidity or strength
"a flimsy table"
"flimsy construction"
"vinyl siding has become the standard-bearer for cheap, insubstantial construction"
2. unconvincing, flimsy
not convincing
"a flimsy argument"
"as unconvincing as a forced smile"
3. flimsy, fragile, slight, tenuous, thin
lacking substance or significance
"slight evidence"
"a tenuous argument"
"a thin plot"
"a fragile claim to fame"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License