Antonyms of adj forlorn

1 sense of forlorn

Sense 1
forlorn -- (marked by or showing hopelessness; "the last forlorn attempt"; "a forlorn cause")

INDIRECT (VIA hopeless) -> hopeful -- (having or manifesting hope; "a line of people hopeful of obtaining tickets"; "found a hopeful way of attacking the problem")

Similarity of adj forlorn

1 sense of forlorn

Sense 1
forlorn -- (marked by or showing hopelessness; "the last forlorn attempt"; "a forlorn cause")
       => hopeless (vs. hopeful) -- (without hope because there seems to be no possibility of comfort or success; "in an agony of hopeless grief"; "with a hopeless sigh he sat down")