Adjectives that start with U to Describe a Person

Not arrogant or presuming.

Not inclined to talk or give information or express opinions.

Not conforming to legality, moral law, or social convention; Not conventional or conformist; Not conforming to accepted rules or standards.

Lacking refinement or cultivation or taste.

Characterized by understanding based on comprehension and discernment and empathy.

Cool and formal in manner; Unsusceptible to or destitute of or showing no emotion.

Not easily perturbed or excited or upset; marked by extreme calm and composure.

Very unfavorable to life or growth; Not friendly; Not disposed to friendship or friendliness; Not easy to understand or use.

Disagreeable; Not feeling or showing gratitude.

Marked by or producing unhappiness; Causing discomfort; Generalized feeling of distress; Experiencing or marked by or causing sadness or sorrow or discontent.

Not inhibited or restrained.

Deficient in humane and kindly feelings; Lacking kindness.

Not occurring at a regular rate or fixed intervals; Unknown in advance; Not capable of being foretold.

Lacking a sense of responsibility; Dangerously unstable and unpredictable; Not worthy of reliance or trust; Liable to be erroneous or misleading.

Facing facts or difficulties realistically and with determination.

Not neat and tidy.

Not worthy of trust or belief.

Pleasantly (even unrealistically) optimistic.