flakey

به کسی اطلاق می شود که مرتب برنامه ها را لغو یا به تعهدات خود عمل نمی کند.
مثال؛
I can’t count on her, she’s always flakey.
A person might say, “He said he would help me move, but he flaked at the last minute. ”
Someone might describe a friend as, “She’s a bit flakey, you never know if she’ll actually show up. ”