flimsy
🇺🇸
/ˈflɪmzi/
🇬🇧
/ˈflɪmzi/
not solidly or sturdily made; easily broken or damaged
The flimsy chair broke when I sat on it.
thin and not strong or solid
The flimsy paper ripped when I tried to fold it.
lacking strength or substance; not convincing
Her excuse was flimsy and no one believed her.