110 proof
Extremely strong or potent. Its original sense refers to the alcohol content of liquor. This cleanser is 110 proof. If it can't get the stain out, nothing can.
bulletproof
1. adjective Resilient or impervious to bullets, as of fabric or other material. That bulletproof vest saved my life!
2. adjective Resistant to mishandling, abuse, damage, error, or malfunction. Don't worry about breaking the phone, these new models are bulletproof! We've developed a bulletproof computer program that even the most non-computer-savvy person will be able to use!
3. adjective Extremely well planned or thought out, such as to be impervious to criticism or failure. We have a bulletproof plan for tackling poverty in the neighborhood. My thesis proposal is absolutely bulletproof.
4. verb To make resilient or impervious to bullets, as of fabric or other material. After crime rates rose in the city, many stores began bulletproofing their windows and doors.
5. verb To make resistant to mishandling, abuse, damage, error, or malfunction. Don't worry about breaking the phone, these new models have been totally bulletproofed! We've bulletproofed our latest computer program so that even the most non-computer-savvy person will be able to use it!
6. verb To plan or think something out so well as to be impervious to criticism or failure. Make sure you bulletproof your plan before you submit it to the developers. I spent an extra two weeks totally bulletproofing my doctoral thesis.
burden of proof
The requirement and obligation of providing sound, reasonable evidence supporting a charge or allegation. Originating and used primarily in law, it can be applied more broadly to any situation in which a contentious dispute arises. In court, the burden of proof always rests on the plaintiffs and the prosecutors. The burden of proof is on you to show that the computer was broken before you bought it.
put to the proof
To be tested, or to test something. I'm hopeful that the invention will now finally work properly, but it needs to be put to the proof first.
burden of proof
Obligation of proving a disputed charge or allegation. For example, Are you sure you mailed the tax return on time? The burden of proof's on you. A legal term dating from the late 1500s, it has also been used more loosely in recent times.
proof of the pudding, the
Results are what count, as in Let's see if this ad actually helps sales-the proof of the pudding, you know. The full expression of this proverb, dating from about 1600, is The proof of the pudding is in the eating, but it has become so well known that it is often abbreviated.