1. changeless, constant, invariant, unvarying

unvarying in nature

Example Sentences:
'maintained a constant temperature'
'principles of unvarying validity'

Synonyms

• changeless
• constant
• invariant

2. unvaried, unvarying

lacking variety

Synonyms

• unvaried

3. uniform, unvarying

always the same; showing a single form or character in all occurrences

Example Sentences:
'a street of uniform tall white buildings'

Synonyms

• uniform