How to Use "Complex" with Example Sentences

complex (n): a group of buildings close together used for a particular purpose; an emotionally bad feeling about oneself

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Used with adjectives:

"The sports tournament will be held in a huge complex."
(huge, large)

"The city is building a new shopping complex."
(shopping)

"The apartment complex is being torn down."
(apartment, hospital, office)

"He has a terrible complex about his acne."
(terrible, bad)

Used with verbs:

"They are building a new sports complex in this area."
(be + building, be + constructing, be + designing)

"She suffers from a bad complex about her skin."
(suffers, has, developed, got)

Used with prepositions:

"He has a complex about his height."
(about)

complex (adj): hard to understand

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Used with verbs:

"The problem is complex."
(be: is/am/are, seems, looks, sounds)

Used with adverbs:

"The math problem is very complex."
(very, fairly, highly)

"The scientific formula is extremely complex."
(extremely, especially, incredibly)

"The situation is becoming increasingly complex."
(increasingly, surprisingly)

Used with nouns:

"The teacher gave the students a complex problem."
(problem, equation, formula, question)

"Immigration to the US is a complex issue."
(issue, topic)

"He works on complex designs."
(designs, technology)