(noun) an inconvenient discomfort. Synonyms: incommodiousness.
··
Noun Definition 1
(noun) a difficulty that causes anxiety. Synonyms: troublesomeness, worriment.
··
Noun Definition 2
(noun) the quality of not being useful or convenient.
··
Noun Definition 3
(verb) to cause inconvenience or discomfort to. Synonyms: trouble, put out, disoblige, discommode, incommode, bother. Examples: "Sorry to trouble you, but...."