singular/uncountable a feeling of wanting to know about or take part in somethinginterest in: an interest in politics
have/feel (an) interest in: He has a particular interest in Italian art.
have no interest in doing something: I have no interest in depriving you of what is rightfully yours.
take an interest in (=show you are interested in): ‘What do you mean?’ asked Pat, now taking an interest in the proceedings.
show/express (an) interest (in): Apparently several buyers have expressed an interest in the deal.
To my relief, no one showed the slightest interest when I got up to leave.
attract/arouse interest: The reports have aroused considerable interest.
lose (all) interest (in): People are losing all interest in the election.
with interest: The presidential race is being watched with interest all over the world.