ˈbəm(p)shəs adjective
Etymology: bump (I) + -tious (as in fractious )
: presumptuously, obtusely, and often noisily self-assertive : somewhat arrogantly self-confident : obtrusive
the least bumptious and aggressive and the one least given to self-serving publicity — R.H.Rovere
every bumptious adventurer and fluent charlatan — G.B.Shaw
the police keep crowds from becoming bumptious — L.C.Stevens
our bumptious , prodigal days are nearly ended — Russell Lord
• bump·tious·ly adverb
• bump·tious·ness noun -es