This is the 5445th most frequent Japanese word.
あまっ
The word "あまっ" is not standard Japanese; it might be a colloquial or slang variation. If you meant "甘っ" (ama), it can mean "sweet" or "naive."
In this sentence, 'あまっ' indicates the sweetness of the apple as a characteristic tied to its taste, often derived from the root word '甘い' meaning 'sweet.'
このりんごは味があまっ！
This apple tastes sweet!
Here, 'あまっ' describes the figurative sweetness or overly pleasant nature of someone's words, implying insincerity or excessive expression.
彼の言葉が少しあまっすぎる。
His words are a bit too sweet.
In this sentence, 'あまっ' is part of the compound word '甘酒,' referring to the sweet alcoholic beverage, with '甘' denoting sweetness.