(of a person, behaviour) rough but honest and kind

abrupt

serious; very sad and disappointing; (a place with) a hole dug in the ground for a dead body

serious; gloomy

(of a person, behaviour) calm; serious; to give (a person) sedative

calm, collected

thoughtful; not funny, silly or for pleasure; important because of danger; committed; sincere

somber, humorless

(of feelings, behaviour etc) genuine; (of a person) not expressing feelings that are false

straightforward, honest

serious and sincere; done formally and with ceremony; serious and not smiling

quiet, serious

(of a person, appearance, behaviour etc) conservative, quiet and serious

restrained, set

very serious about good behaviour; clear and exact

authoritarian