constantCheck to make sure your oven maintains a constant temperature.
the sameYou look exactly the same as you did ten years ago!
same old same oldinformalThe Italian restaurant is under new management, but it's just the same old same old.
unchangingHis novel is about the unchanging nature of humanity.
unchangeableThe company's position on the matter is absolute and unchangeable.
staticFuel prices have been static for months.
fixedInterest rates are fixed at 4 per cent.
steadyUnemployment rates are holding steady.
firmThey are firm in their opposition to the tax reform.
consistentWe've seen a consistent improvement in morale since the pay increases.
immutableformalThis is an immutable law of physics.
entrenchedmainlydisapprovingChildren's gender-based toy preferences have been shown to be entrenched by age 3.