All facile antonyms
fac·ile
F f adj facile
- arduous — Something that is arduous is difficult and tiring, and involves a lot of effort.
- complicated — If you say that something is complicated, you mean it has so many parts or aspects that it is difficult to understand or deal with.
- confusing — Something that is confusing makes it difficult for people to know exactly what is happening or what to do.
- difficult — not easily or readily done; requiring much labor, skill, or planning to be performed successfully; hard: a difficult job.
- hard — not soft; solid and firm to the touch; unyielding to pressure and impenetrable or almost impenetrable.
- involved — very intricate or complex: an involved reply.
- laborious — requiring much work, exertion, or perseverance: a laborious undertaking.
- profound — penetrating or entering deeply into subjects of thought or knowledge; having deep insight or understanding: a profound thinker.