/4 min
How to Use BDAG When You Don't Own BDAG
The serious lexicons are expensive. There are honest paths to their authority for ministers who do not have shelves of reference works.
The serious lexicons are expensive. BDAG, the standard New Testament Greek lexicon, is a four-figure investment. HALOT, for the Hebrew Bible, is similar. LSJ, broader Greek, is more accessible but still a serious purchase. Most ministers do not have all three on their shelves, and the ones who do often inherited them from a retired colleague or a library that was being dispersed.
This is a real practical constraint. It is not, however, a reason to skip the lexicon step. There are honest paths to lexicon-grade authority for ministers without the budget for the full reference shelf.
Library access
Most theological libraries — seminary, university, even some larger churches — have the major lexicons in print. If you have any access at all, ten minutes in person with BDAG once a week is enough to ground the load-bearing word for that week's sermon. The five-minute discipline becomes a habit you do at the library.
Many seminary libraries extend reference privileges to alumni or to local clergy. If you have not asked, ask. The "no" is no worse than the current situation; the "yes" gives you ongoing access.
Digital access
Several Bible software platforms — Logos, Accordance, others — sell BDAG as a module. The full purchase is still expensive, but it is one-time, smaller than the print volume, and gives you instant access in your study. For a minister who plans to do this work for thirty years, the math often works.
There are also institutional subscriptions through some seminaries that include the major lexicons. If you are doing continuing education through a seminary, this may be a benefit you are already entitled to.
Free tools that approximate the function
Where budget will not stretch to BDAG, several free or modest-cost tools cover most of what a sermon needs.
Louw-Nida's Greek-English Lexicon of the New Testament Based on Semantic Domains is broadly available in digital form. It does not replicate BDAG, but it is a serious lexicon in its own right and is organized in a way that supports sermon-prep word studies particularly well.
Thayer's older lexicon is freely available. It is dated, and where it differs from BDAG, BDAG is usually right. But Thayer is closer to BDAG than Strong's is to anything, and a sermon claim grounded in Thayer is more defensible than one grounded in Strong's alone. Use it as a step up, not as a final stop.
For Hebrew, BDB (Brown-Driver-Briggs) is freely available. It is older than HALOT and more limited, but it is a serious lexicon and supports honest sermon-prep work.
What you do not get
Skipping BDAG and HALOT means you do not get the most current scholarly judgments on contested words, the most carefully structured semantic ranges, and the cleanest classification of particular verses under particular senses. For a working minister, that gap is real but bridgeable. The minister who uses Louw-Nida and Thayer carefully is in much better shape than the minister who uses Strong's casually.
The honest position is to know which tool you are using, know its limits, and word your sermon claims accordingly. "The lexicon range here includes X" is a defensible claim from any serious lexicon. "BDAG places this verse specifically under sense 3b" is a more confident claim that requires BDAG.
The discipline is not about owning the right book. It is about knowing what you are claiming and being able to defend it. Almost every minister can do that work. Most do not, and the gap shows in the pulpit over time.