unlike
1. [ pronoun ] preposition, as opposed to
Examples:

"Ünlike his brother, he was polite"

2. [ adjective ] not like; marked by dissimilarity
Synonyms: different dissimilar
Examples:

"for twins they are very unlike" "people are profoundly different"

Related terms: like different
3. [ adjective ] not equal in amount
Synonyms: unequal
Examples:

"they distributed unlike (or unequal) sums to the various charities"

Related terms: like
Similar spelling:   unalike
  unlikely
  unlikable
  unlisted
  unlocked
  unlighted
  unaligned