Antonyms of adj awesome

1 sense of awesome

Sense 1
amazing, awe-inspiring, awesome, awful, awing -- (inspiring awe or admiration or wonder; "New York is an amazing city"; "the Grand Canyon is an awe-inspiring sight"; "the awesome complexity of the universe"; "this sea, whose gently awful stirrings seem to speak of some hidden soul beneath"- Melville; "Westminster Hall's awing majesty, so vast, so high, so silent")

INDIRECT (VIA impressive) -> unimpressive -- (not capable of impressing)

Similarity of adj awesome

1 sense of awesome

Sense 1
amazing, awe-inspiring, awesome, awful, awing -- (inspiring awe or admiration or wonder; "New York is an amazing city"; "the Grand Canyon is an awe-inspiring sight"; "the awesome complexity of the universe"; "this sea, whose gently awful stirrings seem to speak of some hidden soul beneath"- Melville; "Westminster Hall's awing majesty, so vast, so high, so silent")
       => impressive (vs. unimpressive) -- (making a strong or vivid impression; "an impressive ceremony")