Adjective > Off-putting
(more off-putting; most off-putting)
not pleasing or likable : causing you to feel dislike of someone or something
He has an off-putting (=unfriendly) manner.
The restaurant’s decor was strangely off-putting.
The wording of the memo was very off-putting.
– off-puttingly adverb
His manner is off-puttingly formal.