Synonyms for Uncomfortableness:

n.

•awkwardness (noun)
discomfort, unpleasantness, painfulness.
•discontentment (noun)
disgruntlement, uneasiness, unhappiness, non-satisfaction, angst, inquietude, wretchedness, frustration, boredom, joylessness, discomposure, gloominess, sourness, dissatisfaction, ennui, despondence, anxiety, discontent, discomfort, disquiet, exasperation, cheerlessness, displeasure.
•painfulness (noun)
irritation, odiousness, distressfulness, woefulness, bitterness, soreness, torment, arduousness, misery, torture, anguish, ache, severity, annoyingness, grievousness, cruelty, irksomeness, acuteness, aggravation, offensiveness, painfulness, agony, hurtfulness, oppressiveness, unpleasantness.
•self-consciousness (noun)
uneasiness.
•uncomfortableness (noun)
discomfort, uneasiness, self-consciousness.

Other synonyms:

•Other relevant words:
self-consciousness.