An enemy, opponent

• aplomb

• bluff

• adversary

• annuity

Self-confidence or assurance, especially when in a demanding situation

• brackish

• brandish

• attentive

• aplomb

Pretense (of strength); deception; high cliff; ADJ: rough but good natured

• bluff

• barricade

• audible

• apprehensive

(ADJ) Having a salty taste and unpleasant to drink

• brandish

• aplomb

• brackish

• aptitude

Alert and watchful; considerate; thoughtful

• aptitude

• apprehensive

• attentive

• brandish

To obstruct with a barrier; a barrier

• barricade

• brackish

• audible

• annuity

Natural ability; capacity for learning

• bluff

• aplomb

• adversary

• aptitude

Fearful or anxious, especially about the future

• ann, enn

• apprehensive

• audi, audio

• attentive

To drive away; to force to leave a place by official decree

• barricade

• brandish

• banish

• brackish

To wave or flourish in a menacing or vigorous fashion

• ann, enn

• annuity

• apprehensive

• brandish