weirdly
adv. sent. B2 Upper Intermediate US //ˈwɪɹdɫi// UK //wˈiədli// weird·ly
adv. in a strange or unusual way. You use this when something happens that is hard to explain or feels very different from what you expected.
adv. in a strange, unusual, or unexpected manner. Often functions as a sentence-modifying disjunct to express the speaker's surprise at a following fact.
The lights in the house flickered weirdly.
The car was making a weirdly high-pitched sound every time I turned the steering wheel to the left.
The old house felt weirdly familiar to her, even though she was certain she had never stepped foot in that part of the country before.
From weird + -ly.
Usage
When used as a sentence adverb, it typically appears at the beginning of the clause followed by a comma.