(of wounds etc) free from infection (disease germs)

sterile

fastens with ropes etc (as a prisoner)

obligated; destined

the limits

obligated; destined

cautious

careful, cautious

(usually of young women) morally good and sexually pure

pure, incorrupt

one of the main land masses

chaste, pure

careful, tactful, in what one says or does

cautious, sensible

aesthetic

nice, refined

limited; (of an opinion, a desire, feelings etc) in the middle within reasonable limits

calm, temperate

practising monogamy

pure, incorrupt

too cautious

suspicious

punt-in; not expressed

held within

sensible; fair; of an acceptable standard or level

moderate, tolerable

(of a person, speech, manner etc) showing education and cultured taste

cultured, civilized

(of a person, character) slow to express feelings or opinions; (of a seat in a train, room in a hotel etc) kept for a person's later use

silent, unsociable; constrained

in the habit of saying little; not saying all that is known or felt

secretive, quiet

making no or little sound; saying little or nothing; written but not spoken

quiet; speechless

serious and in control of oneself; not drunk; (of colours, tastes etc) ordinary and dull

not partaking of alcohol

showing, behaving with, self-control; (of parts of the world) free from extremes of heat and cold

calm, moderate

not too obvious or easily noticeable

keeping a low profile

(of a person) unusually quiet and shy

unsociable