drawback-n; 2 Senses

Sense Number 1: an objectionable or undesirable quality

Commentary: DRAWBACK[+quality][+shortcoming]

One drawback of this tax policy is its inherent complexity.
His hitting slump has been a real drawback to the team this season.
John tried to tactfully point out several drawbacks to Mary's proposal.

WordNet 3.0 Sense Numbers: 1

Sense Number 2: refund on an import duty under certain conditions

Commentary: DRAWBACK[+quantity][+sum][+money][+refund][+duty][+import] Import duties refunded when the imports are re-exported or used in making exports.

The money laundering was made to look like drawbacks on re-exported liqueurs.
The tire manufacturer received a drawback on imported materials used in production.

WordNet 0.0 Sense Numbers: 1