(of a person, behaviour, principles etc) having a regular pattern

constant, regular

going on all the time

fixed

happening very often or with only short breaks

constant, incessant

being the same in size, amount, number, degree, value etc

alike

level; regular, steady; (of amount, distances, values) equal; (of a number) that can be divided by two

flat, uniform

(formed of parts) of the same kind

similar, comparable

having, using, only one colour

fixed

(uninteresting because) unchanging, without variety

all the same, remaining the same

evenly arranged; systematic; coming, happening, done, again and again at equal intervals

normal, common

an informal meeting of friends to sing songs together

all the same, remaining the same

(of surface) level or polished, like glass; calm and free from uncomfortable movement; (of a liquid mixture) free from lumps

level, unwrinkled; flowing

firm; not likely to move or change; a building in which horses are kept and fed; a number of horses (especially racehorses) belonging to one particular owner

constant, fixed; resistant

not changing; in a state of balance; interference in the signal received by a radio or TV

motionless, changeless

firmly fixed or supported; not likely to fall over; not changing in amount, speed etc; (of a person behaviour) having, keeping to, a regular (good) pattern

stable, fixed

having good reasons to believe something; free from doubt; proved; reliable; without a doubt

certain, definite

staying, having stayed, the same

unaltered

not varying in form, quality etc

consistent

not stopping

continual