1. Adamant (adjective) - Refusing to be persuaded or to change one's mind – अटल
S - Obstinate, Adamantine, Bullheaded, Dogged, Hard, Hardened, Hardheaded, Hard-nosed, Headstrong, Immovable, Implacable
A- Acquiescent, Agreeable, Amenable, Compliant, Complying, Flexible, Pliable, Pliant, Relenting, Yielding
Mnemonic – A+DAM+ant...A DAM IS GENERALLY INFLEXIBLE AND HARD so vehicles can pass through it.
Use - I've told her she should stay at home and rest but she's adamant that she's coming.