Lacking kindness, sympathy, benevolence, gratitude, or similar; cruel, harsh or unjust; ungrateful. / (obsolete) Not kind; contrary to nature or type; unnatural.

(uncountable) The state or quality of being unkind. / (countable) An unkind act. / (countable) The collective noun for ravens

comparative form of unkind: more unkind

plural of unkindness

Not kindled (lit, or set alight). / (by extension) Not aroused, awakened or stirred.

Not kind, lacking in friendliness, warm-heartedness or sympathy. / (archaic) Rough, unfavourable, bad. / (obsolete) Unnatural, contrary to the natural or proper order of things.

In an unkind manner. / (obsolete) In an unnatural manner.

superlative form of unkind: most unkind

Not befitting kindred or family.

comparative form of unkindly: more unkindly