wide, broad, flat, dull, vapid

puncture (of a tire), flat tire

flat, shallow (of a dish), flat-bottomed (of a boat)

threshing rake; flat crown of a mountain

beehive; honeycomb; flat; a kind of fuel made from dried manure patties

to make level, smooth, even; to adjust, regulate, put right; to tune (musical); to baste, join loosely

umbrella, parasol; even; smooth land; scar

flattering, smooth talk; flatterer, smooth talker

level, smooth (of the earth)

to spread, spread out, even out, make smooth

bubble level

bottom, the depths; basis, foundation, level area

scales, standard, criterion, level

high-level

load, weight, burden; field, plain; once, one time

pale, plain, without sugar, tasteless, unlpleasant; disordered, confused

desert, wasteland, arid plain

plain, simple; simple-minded, dull, dumb, naive

pure, uncontaminated; plain, simple; merely, only, purely