What does 疑い mean?
疑い is a Japanese noun meaning “doubt, suspicion” in English. It is written as 疑い in kanji, うたがい in hiragana, and utagai in romaji. This word is part of JLPT N4 vocabulary.
Example sentence
それで疑いをさしはさむ余地はなくなる。
That leaves no room for doubt.