CEFR Level
relating to twilight or active during twilight
"Bats are crepuscular animals, most active at dawn and dusk."
sad and disappointed
"He looked crestfallen after hearing the bad news."
relating to or having a hard shell like a crustacean
"The scientist studied the crustaceous fossils."
a text written in code or cipher
"The detective solved the cryptogram hidden in the letter."
Relating to cryptography; involving or using secret codes or ciphers for security.
"Banks use cryptographic technology to protect transactions."
The practice of securing information through encryption or coding techniques
"Modern cryptography ensures secure online transactions."
aromatic spice with a slightly bitter taste and cooling aftertaste
"Cubeb pepper is used in traditional Indonesian cuisine."
responsibility for a fault or wrong; blameworthiness
"The jury considered his level of culpability in the crime."
a bad-tempered, cranky, or irritable person, usually old
"The old curmudgeon complained about everything in the neighborhood."
a tropical fruit with sweet creamy white flesh and black seeds
"The custard apple has a sweet and creamy texture."
The science of communications and automatic control systems in both machines and living things.
"Cybernetics plays a crucial role in artificial intelligence."