Fragile
Part of speech: adjective
Definition: easily broken or destroyed, and thus often of subtle or intricate structure
Example sentence: I don't know what's the matter with people: they don't learn by understanding; they learn by some other way - by rote, or something. Their knowledge is so fragile!
Delicate
Part of speech: adjective
Definition: Easily damaged or requiring careful handling.Characterized by a fine structure or thin lines.Intended for use with fragile items.Of weak health, easily sick.Unwell, especially because of having drunk too much alcohol.
Part of speech: noun
Definition: A delicate item of clothingSpecifically underwear or lingerie.
Example sentence: When you see how fragile and delicate life can be, all else fades into the background.