Easily irritated or annoyed; bad-tempered. adjective
After a long day at work, she was feeling cranky and didn't want to talk to anyone.
The toddler became cranky when he missed his nap.
Unstable or shaky; liable to break down or malfunction. adjective
The old car was cranky and often refused to start on cold mornings.
The cranky elevator made strange noises and seemed unreliable.
Eccentric or odd in behavior or ideas. adjective
His cranky theories about alien life were not taken seriously by his colleagues.
The artist was known for her cranky and unconventional style.