an apparition or ghost

something elusive or non-existent

असत्

English Usage: His fears of failure felt like a phantom.

Hindi Usage: असफलता का उसका डर एक असत की तरह था।

invisible or deceptive

अदृश्य

English Usage: They were chasing a phantom dream.

Hindi Usage: वे एक अदृश्य सपने के पीछे भाग रहे थे।

having the appearance of a ghost