• arabesque, bizarre, bonkers, extraordinary, fanciful, fantastic, freaky, funny, odd, oddish, outlandish, particular, peculiar, quaint, queer, quizzical, rum, singular, strange, unaccountable, unusual, way-out, wayout
• alternate, bilateral, mutual
• especially, funnily, in particular, particularly, specially, specifically
• impulsively, instinctively, intuitively
• conversely, mutually, vice versa
• odd fish, queer body, queer cove, queer fish
• not much to look at, nothing to write home about
• I have my own peculiar reasons
• nothing to make a song about