From un- + comfortable.

• (RP) IPA: /ʌnˈkʌmf.tə.bəl/, /ʌnˈkʌm.fə.tə.bəl/
• (America) IPA: /ʌnˈkʌm.fɚ.tə.bəl/, /ʌnˈkʌmf.tɚ.bəl/

uncomfortable

1. Not comfortable; causing discomfort.

   The class squirmed and fidgeted in the uncomfortable new chairs.

   • 1918, W[illiam] B[abington] Maxwell, chapter XV, in The Mirror and the Lamp, Indianapolis, Ind.: The Bobbs-Merrill Company, →OCLC ↗:

     Edward Churchill still attended to his work in a hopeless mechanical manner like a sleep-walker who walks safely on a well-known round. But his Roman collar galled him, his cossack stifled him, his biretta was as uncomfortable as a merry-andrew's cap and bells.

2. Experiencing discomfort.
3. Uneasy or anxious.

   Sharing a house with them made me uncomfortable.

4. Put off or disgusted.

• ill at ease

• comfortable
• ergonomic

• French: inconfortable
• German: unbequem, ungemütlich
• Portuguese: desconfortável, incómodo (Portugal), incômodo (Brazil)
• Russian: неудо́бный
• Spanish: incómodo

• German: unbehaglich
• Russian: стеснённый
• Spanish: incómodo, a disgusto

• Portuguese: constrangido
• Spanish: incómodo, cohibido