say it: flat
flat is an adjective, noun and adverb meaning "having a surface without slope, tilt in which no part is higher or lower than another". It carries 24 recorded senses.
having a relatively broad surface in relation to depth or thickness
“flat computer monitors”
flattened laterally along the whole length (e.g., certain leafstalks or flatfishes)
biology
lacking taste or flavor or tang
“a bland diet”
“insipid hospital food”
“flavorless supermarket tomatoes”
“vapid beer”
“vapid tea”
lacking stimulating characteristics; uninteresting
“a bland little drama”
“a flat joke”
sounded or spoken in a tone unvarying in pitch
“the owl's faint monotonous hooting”
lacking the expected range or depth; not designed to give an illusion or depth
“a film with two-dimensional characters”
“a flat two-dimensional painting”
a shallow box in which seedlings are started
a musical notation indicating one half step lower than the note named
freight car without permanent sides or roof
a deflated pneumatic tire
scenery consisting of a wooden frame covered with painted canvas; part of a stage setting
a suite of rooms usually on one floor of an apartment house
with flat sails
“sail flat against the wind”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for flat come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.