on the lam (adjective) fugitive: fleeing, transient
Sinonime: abrupt,
accidental,
amazing,
astonishing,
chance, electrifying, eye-opening,
fortuitous, from left field,
impetuous,
impulsive, instantaneous, not bargained for, not in the cards, out of the blue, payback,
prodigious,
staggering, startling,
stunning,
sudden,
swift, unanticipated,
unforeseen, unheralded, unlooked-for,
unpredictable, unpredicted,
wonderfulAntonime: expected