jellybean (adjective) callow: immature
Detalii: callow means lacking experience of life, immature - while shallow means lacking depth of intellect, emotion, or knowledge
Sinonime: abiding, changeless,
continual, diurnal,
durable, enduring,
everlasting, fixed, for keeps,
forever, forever and a day,
immutable, imperishable, in for the long haul,
indestructible, invariable, long-lasting, perdurable, perduring,
perennial,
perpetual, persistent,
set, set in concrete, set in stone, stable,
steadfast,
unchanging, unfading
Antonime: ephemeral, temporary