Definition of: flimsy

(flim′zē) adjective ·si·er, ·si·est
Lacking substantial texture or structure; thin and weak; ineffective.
—noun plural flim·sies
1. A thin paper used for carbon copies.
2. A dispatch or article received on thin paper. [<FILM, by metathesis; infl. in form by clumsy, tipsy, etc.]
—flim′si·ly adverb
—flim′si·ness noun