in his lectures he reveals himself to be a merely perfunctory speaker.
This is a perfunctory answer - it responds to the question but without thought.
He received perfunctory applause, but his performance was not very good.
I think you mean perfunctory, which means in a habitual manner. He had done the same thing so many times that it was perfunctory now.
He gave a quick, perfunctory answer to the question and did not bother to elaborate.
The professors perfunctory approach to teaching led his students to feel uninspired and lackadaisical!
Prefunctory is NOT a word and therefore should never be used in a sentence, regardless of any perfunctory ends the aforementioned question endeavours to meet. Perfunctory means routine or disinterested, almost automated, as in, ' The janitor performed his duties in a perfunctory fashion.'
In answer to my question, he gave a perfunctory nod. The operator answered the call with a perfunctory greeting. The movie star, who was coerced into the movie because of her contract, gave out perfunctory comments to the media. Because he made a perfunctory effort on his project, he received a low grade.
Perfunctory
Perusal means close scrutiny. He held his breath during the sheriff's perusal of his car. Her perusal of the room was perfunctory.
easily perfunctory
In answer to my question, he gave a perfunctory nod. The operator answered the call with a perfunctory greeting. The movie star, who was coerced into the movie because of her contract, gave out perfunctory comments to the media. Because he made a perfunctory effort on his project, he received a low grade.
In a perfunctory manner; formally; carelessly.