making great mental demands; hard to comprehend or solve or believe
highly complex or intricate and occasionally devious
tangled in knots or snarls
used of old persons or old trees; covered with knobs or knots
apart from anything else; without additions or modifications
exhibiting childlike simplicity and credulity
a person lacking intelligence or common sense
(botany) of leaf shapes; of leaves having no divisions or subdivisions
easy and not involved or complicated
lacking mental capacity and subtlety
any herbaceous plant having medicinal properties
having few parts; not complex or complicated or involved
unornamented
