problematic (adjective)

1. Their relationship was both problematic and passionate, with constant emotional ups and downs.

2. The novel explored the problematic nature of human relationships and the complexities of love.

3. The colonization of America by European powers proved to be a problematic period in history, characterized by exploitation and conflict.

4. The interpretation of religious texts can be highly problematic, often leading to debates and divisions within faith communities.

1. The architect proposed a bold and innovative design for the building, but its functionality became problematic due to limited space.

2. Their relationship was quite problematic as they had differing values and constantly disagreed on important issues.

3. In the magical realm, the forbidden spell had problematic consequences, endangering the lives of the characters.

4. The assassination of Archduke Franz Ferdinand sparked a series of problematic events that eventually led to the outbreak of World War I.