unkind
1. [ adjective ] lacking kindness
Examples:

"a thoughtless and unkind remark" "the unkindest cut of all"

Related terms: kind cutting hurtful unkindly harsh merciless malign kindness
2. [ adjective ] lacking or showing kindness or compassion or mercy
Synonyms: cruel
Related terms: heartless
3. [ adjective ] deficient in humane and kindly feelings
Synonyms: pitiless
Related terms: inhumane
4. [ adjective ] (of circumstances; especially weather) causing suffering
Synonyms: cruel harsh rigorous brutal
Examples:

"brutal weather" "northern winters can be cruel" "a cruel world" "a harsh climate "a rigorous climate" "unkind winters"

Related terms: hard
Similar spelling:   unkindly
  unkindled
  unjointed
  unison
  unmasking
  unsound
  unsanded
  ungainly
  unchain
  unsounded