flattest
SayFLAT-ist/ˈflætɪst/
- 1Superlative of flat.
Of all the routes home, the coastal one is the flattest.
Engineers chose the flattest site available for the new runway.
Note
The final t doubles before the ending (flat, flatter, flattest), as it does in short adjectives that end in a single vowel and consonant. The suffix is preferred over most flat. The form reaches across the senses of flat, from level ground to steady prices to a lacklustre performance. Railway Magazine in 1949 counted Brunel's Maidenhead arches among the flattest ever built, meaning the shallowest in their curve.
flattest is a form of flat
flat, adjective: Having a level, even surface, without slopes, bumps, or hollows. Full entry
- Spelling
- flat → flattest: double the t, add -est
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