Rainey was an unimpressive, rather dull lecturer.
His academic record was unimpressive.
His personal presence is unimpressive and his speech contemptible.
Cambridge University Biochemistry Building was a three storeyed red - brick neo - Renaissance structure , plain and unimpressive.
Its own regulatory record is unimpressive : it was Citigroup's principal regulator.
In person she was completely unimpressive.
Outsiders find Latvia's politicians unimpressive and exasperating.
1. not capable of impressing