a. (UN-1 7.)
1757. Mrs. Griffith, Lett. Henry & Frances (1767), IV. 208. My Companion is a chearful, civil, untroublesome Person.
1848. Mill, Pol. Econ., V. vii. § 3. II. 436. The progress of industry is gradually affording other modes of investment almost as safe and untroublesome.
1894. Blackw. Mag., March, 393. Things which make cricket easy and untroublesome.
Hence Untroublesomeness.
1874. Micklethwaite, Mod. Par. Churches, xxiv. 185. Above all, its [sc. gass] exceeding untroublesomeness.