Use 'flimsily' to express poor workmanship or materials in physical objects.

Construction Quality

'Flimsily' often implies the object may break or fail easily due to substandard construction.

Non-durability

Items described as 'flimsily' made are often intended for short-term use.

Use 'flimsily' to highlight the weakness or insufficiency of an argument or claim.

'Flimsily' can suggest that you are skeptical or doubtful about what is being presented or proposed.

It points to the use of weak, insufficient or questionable evidence to support a point.