adjective
- without due regard for the rights or feelings of others: It was inconsiderate of him to keep us waiting.
- acting without consideration; thoughtless; heedless.
- overhasty; rash; ill-considered: slovenly, inconsiderate reasoning.
adjective
- lacking in care or thought for others; heedless; thoughtless
- rare insufficiently considered
late 15c., “done thoughtlessly,” literally “not properly considered,” from Latin inconsideratus “headstrong, unadvised, thoughtless,” from in- “not, opposite of” (see in- (1)) + consideratus (see consider). Related: Inconsiderately; inconsiderateness.