Collocations for unfortunate - adj.

be, seem
consider sb/sth

extremely, fairly, very, etc.
most, particularly
It was a most unfortunate choice of expression.

doubly
This comment was doubly unfortunate for Bob as he lost friends and further antagonized enemies.

Unfortunate is used with these nouns:
accident, aspect, choice, coincidence, connotation, consequence, demise, effect, episode, error, habit, incident, knack, lapse, luck, outcome, oversight, precedent, reality, result, side effect, situation, slip, soul, tendency, timing, trend, truth, turn, victim