Longman Dictionary of Contemporary English
mild-mannered
adjective
EXAMPLES FROM OTHER ENTRIES
▪ a mild-mannered, kind man
EXAMPLES FROM CORPUS
▪ But womanizing and drinking to the extent he did was not the behaviour of a mild-mannered man.
▪ He plays Roscoe Bigger a mild-mannered shop teacher who was a schoolyard terror, nicknamed Fang, during his formative years.
▪ I doubt very much a mild-mannered Captain Stubing is at the helm of that ship.
▪ Many thought the mild-mannered Mr Junejo would obediently follow Gen Zia's orders.
▪ Murphy, considered a mild-mannered sort, is getting tough.
▪ Suddenly, the mild-mannered little man didn't look green any more - he looked positively dangerous.
▪ There D'Arcy met an affable, mild-mannered man whom Roquelaure introduced simply as Hubert.
▪ They are not, it turns out, the mild-mannered fellows they were believed to be.
Wiktionary
mild-mannered
a. calm, gentle, moderate and unexcitable in attitude
WordNet
mild-mannered
adj. behaving in or having a mild or gentle manner
Usage examples of "mild-mannered".
A cluster of motorcycles stood near the door, but the hottest one in the lot was a mild-mannered 250 Yamaha.
By day Dave Switzer is a mild-mannered instructor of computer science.
The bat had been identified as an innocent victim of appearances, a very mild-mannered beast dedicated to the pursuit and engulfment of huge mothlike bugs which hung around watercourses.
As it was, Thaddeus Araman found himself staring over his desk at a mild-mannered individual, whose faded blue eyes looked at him wistfully from either side of a low-bridged button nose.