Synonyms for Long-winded:

adj.

all (adjective)
windy, tedious, verbose, wordy.
extended (adjective)
lengthy.
periphrastic (adjective)
periphrastic.
talkative (adjective)
loquacious, un-reticent, prattling, wordy, chattering, verbose, talkative.
wordy (adjective)
wandering, featherbedding, prolix, endless, excessive, ponderous, rambling, loquacious, wordy, bombastic, lengthy, diffuse, pleonastic, grandiloquent, talkative, superfluous, chatty, verbose, windy.

n.

pleonastic, periphrastic, excess, words, diffuse, style, redundant. long-winded (noun)
windy, prolix, verbose, wordy, tedious.

Other synonyms:

pleonastic, periphrastic, redundant. Other relevant words:
redundant, periphrastic, diffuse, prolix, tedious, pleonastic.