flimsier
flim-si-er
adjective
More easily broken, damaged, or poorly constructed; less substantial or convincing.
"The new packaging felt much flimsier."
Thesaurus
Synonyms: unconvincing, flimsy, unpersuasive, weak, insubstantial, onionskin, insignificant, slight, unimportant, fragile, tenuous, thin
Antonyms: convincing