Grammar Smart 3rd Edition - Princeton Review 2014

G. Redundancy
Part 3. Putting It All Together

Redundancy is repeatedly saying the same thing twice, over again, more than once. A redundancy mistake causes the problem we’ve mentioned before—it makes your writing seem overblown and not thought out, leaving your reader to wonder whether you are asleep at the wheel. Below are some common redundancies.

small in size

circulate around

true fact

joint partnership

close to the point of

reason ... is because

reason why ... is because

in this day and time

consensus of opinion

pair of twins (unless you mean four people)

cooperate together, collaborate together

close proximity

contemporary writer of today

if and when

mingle together

new innovation

joint cooperation

3:00 a.m. in the morning

6:00 p.m. at night