Flim"sy (?), a. [Compar. Flimsier (?); superl. Flimsiest.] [Cf. W. llymsi naked, bare, empty, sluggish, spiritless. Cf. Limsy.] Weak; feeble; limp; slight; vain; without strength or solidity; of loose and unsubstantial structure; without reason or plausibility; as, a flimsy argument, excuse, objection.

Proud of a vast extent of flimsy lines.

All the flimsy furniture of a country miss's brain.

Syn. -- Weak; feeble; superficial; shallow; vain.

Flim"sy, n. 1. Thin or transfer paper.

2. A bank note. [Slang, Eng.]

• Likely to bend or break under pressure; weak, shaky, flexible, or fragile.
       He expected the flimsy structure to collapse at any moment.