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Irregular Comparative and Superlative Adjectives
In most cases we make comparative and superlative adjectives by adding -er/ -est, or we use more/most
or less/least. However, a small number of adjectives are irregular.
well (healthy) – better – the best
far (distance) —farther or further – the farthest or the furthest
old (people in a family) – older or elder – the oldest or the eldest
bad – worse – the worst good –better – the best