flattest
词形变化：
副词: flatly | 形容词比较级: flatter | 形容词最高级: flattest | 名词: flatness | 动词过去式: flatted | 动词过去分词: flatted | 动词现在分词: flatting | 动词第三人称单数: flats |
同义词：
level | suite | straight | horizontally | studio | penthouse | surface | face | blade | apartment | horizontal | smooth | dull | off-key | lifeless | even | unmusical | insipid | bland | matte | monotonic | monotone | categorical | compressed | flavorless | monotonous | flavourless | matt | two-dimensional | flat tire | flatbed | mat | matted | vapid | prostrate | plane | savourless | savorless | categoric | directly | unconditional | flatcar | lodging | accommodation | quarters |
反义词：