A person or thing that is reliant on something needs it and often cannot live or work without it.
ADJ-GRADED
Someone who is adept at something can do it skilfully.
N-COUNT
An adept is someone who is adept at something.
Stringent laws, rules, or conditions are very severe or are strictly controlled.
An abrupt change or action is very sudden, often in a way which is unpleasant.
If it is imperative that something is done, that thing is extremely important and must be done.
Something that is succinct expresses facts or ideas clearly and in few words.
Something that is dismal is bad in a sad or depressing way.
You use intricate to describe something that has many small parts or details.
