1. (v. t.) To enlarge or increase in size, amount, or degree; as, to augment an army by reinforcements\; rain augments a stream; impatience augments an evil.

2. (v. t.) To add an augment to.

3. (v. i.) To increase; to grow larger, stronger, or more intense; as, a stream augments by rain.

4. (n.) Enlargement by addition; increase.

5. (n.) A vowel prefixed, or a lengthening of the initial vowel, to mark past time, as in Greek and Sanskrit verbs.

add to agent provocateur aggrandize aggravate amplify annoy bloat blow up boost broaden build build up bulk bulk out compound crescendo deepen deteriorate develop dilate distend embitter enhance enlarge exacerbate exalt exasperate expand extend fatten fill out fortify heat up heighten hike hike up hot up huff increase inflate intensify irritate jack up jump up lengthen magnify make acute make worse manifold maximize mount multiply parlay provoke puff puff up pump pump up put up pyramid raise rarefy recruit reinforce rise sharpen sour strengthen stretch sufflate supplement swell thicken up upsurge wax widen worsen