Synonyms of the word

unthinking

• adj. Without proper thought; thoughtless.
• adj. Showing no regard; careless or unconcerned.
• v. present participle of unthink.

inconsiderate

• adj. Not considerate of others, thoughtless.
• adj. (obsolete) inconsiderable.

lumpen

• adj. Of or relating to social outcasts.
• adj. Of or relating to the lumpenproletariat.
• adj. Plebeian.

lumpish

• adj. Shaped like a lump, lumpy, ill-defined in shape.
• adj. Like lumps, lumpy, composed of unshaped or mismatched pieces.
• adj. Like a lump, cloddish, dull, slow-witted.
• adj. (archaic) Without energy, lethargic.
• adj. Awkward, inelegant.

stupid

• adj. Lacking in intelligence or exhibiting the quality of having been done by someone lacking in intelligence.
• adj. To the point of stupor.
• adj. (archaic) Characterized by or in a state of stupor; paralysed.
• adj. (archaic) Lacking sensation; inanimate; destitute of consciousness; insensate.
• adj. (slang) Amazing.
• adj. (slang) damn, annoying, darn.
• adv. (slang, dated) Extremely.
• n. A stupid person; a fool.
• n. (colloquial, uncountable) The state or condition of being stupid.

thoughtless

• adj. Marked by or showing lack of due thought or care; careless.
• adj. Inconsiderate, inattentive.
• adj. Lacking thought or consideration.

thoughtlessly

• adv. Done without thinking.

uncaring

• adj. Characterized by a lack of care; not caring.

unreflective

• adj. Not reflective; thoughtless.

unthinkingly

• adv. In an unthinking manner.

unthoughtful

• adj. inconsiderate of other's feelings.
• adj. unplanned or unthinking.