1. (noun) forceful exertion

• energy
• vigor
• zip

2. (noun) active strength of body or mind

• dynamism
• heartiness
• vigor

3. (noun) an imaginative lively style (especially style of writing)

• energy
• muscularity
• vigor
• vim

1. (noun) forceful exertion

• athleticism
• strenuosity

2. (noun) an imaginative lively style (especially style of writing)

• verve
• vitality

1. (noun) forceful exertion

• force
• forcefulness
• strength

2. (noun) active strength of body or mind

• strength

3. (noun) an imaginative lively style (especially style of writing)

• life
• liveliness
• spirit
• sprightliness

1. (noun) forceful exertion

• alert
• brisk
• lively
• merry
• rattling
• snappy
• spanking
• zippy
• arouse
• brace
• energise
• energize
• perk up
• stimulate
• energetic
• energise
• energize
• excite
• vigorous
• vigorous

2. (noun) active strength of body or mind

• dynamic
• dynamical
• full-blooded
• hearty
• lusty
• red-blooded
• hearty
• vigorous
• vigorous

3. (noun) an imaginative lively style (especially style of writing)

• energise
• energize
• excite