persistent in one's mind but reluctantly held or not fully recognized. To take something somewhere/give secretly.

That could happen or become reality.

powerful synthetic analgesic drug which is similar to morphine in its effects but less sedative and is used as substitute drug in treatment of morphine and heroin addiction.

idea or opinion produced by thinking, or occurring suddenly in mind. To have an idea about something without certainty.

Move or cause to move rapidly in a circle or spiral..

Sure; of course.

twisted together untidily. (Of string, etc.) to be knotted up and hard to undo.

tending to crack and come away in thin pieces. removal of scales from something. To climb something large (e.g. a mountain).

To hold something and move it toward you.

acting in confused or ineffectual way. To be confused, in either a movement or in speech.

used for emphasis with following adjective functioning as adverb. thing that is unspecified or unknown.

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set of related measures. Series of classes at a college or university. To write computer code for a piece of software.

process of infecting or state of being infected. Making or becoming sick with a bacteria/virus.

Parts of a medical device used to inject medicine. Thin pointed leaves of some trees, e.g. pine tree. To upset someone by making rude or hurtful remarks.