How to Use "ironclad" with Example Sentences

1. There is no ironclad way to judge the stimulus , because we can 't rerun the last six months in an alternate universe .
2. In return for joining the fight , they want ironclad guarantees that in a future syria , their national rights will be respected in full .
3. A bank of spain study suggests that this is down to a two-tier labour market , which condemns a third of the workforce to a merry-go-round of unstable , temporary jobs while the rest enjoy ironclad permanent contracts .
4. For more than 50 years , the seemingly ironclad biological rule was that women and other female mammals produce a finite number of egg cells during their embryonic development , then shut down egg production for good .
5. Spain 's labour laws , which date back to the franco era , have condemned half the workforce to unemployment or to temporary jobs while the rest enjoy ironclad contracts and huge redundancy pay-offs .