English has many contronyms.

• Clip: to attach (clip X to Y) or detach (clip coupons)
• Dust: to remove dust or to add it (dust the cake with icing sugar)
• Fine: excellent (fine wine) or not great but decent (it’s fine)
• Left: remaining (I have 5 left) or gone (I had some but they left)
• Oversight: supervision (he had oversight over the whole process) or lack of supervision (I forgot to do that, it was an oversight)