Pronunciation guide: IPA symbols, stress and word endings

θ	thin	ð	this	ʃ	she	ʒ	measure
tʃ	church	dʒ	judge	ŋ	sing	j	yes

p b t d k g f v s z h m n l r w sound as in ordinary English spelling.

ˈ main stress, before the stressed syllable: /ˈwɔːtə/ water · ˌ lighter (secondary) stress: /ˌʌndəˈstænd/ understand
ː a long vowel · (r) an r said only in accents that pronounce it (most American, Scottish, Irish)

-s / -es (plurals; he/she form of verbs): /s/ after voiceless sounds (cats), /z/ after voiced (dogs), /ɪz/ after s, z, sh, ch, j sounds (buses, watches). Spelling: -es after s, x, z, ch, sh; consonant + y → -ies (city → cities).
-ed (past): /t/ after voiceless sounds (walked), /d/ after voiced (played), /ɪd/ after t or d (wanted). Spelling: love → loved, stop → stopped, carry → carried.
-ing: make → making, run → running, see → seeing.
Irregular: go, went, gone · be, was, been · see, saw, seen · man → men · child → children · mouse → mice.
Older (King James) forms: -eth = -s (he loveth = he loves) · -est with “thou” (thou lovest) · spake = spoke.

thirties

noun, adjective

Also a form of thirty

Forms 'thirties

noun The fourth decade of a century: the 1830s, 1930s, 2030s, etc. “It says here on your resume that your last job was as a streetcorner apple vendor and that you haven't worked since the thirties.”
noun The decade of one's life from age 30 through age 39. “He looked to be in his thirties.”
noun (temperature, rates, plural only) The range between 30 and 39. “It's going to be in the low thirties tonight.”
adjective From or evoking the 31st through 40th years of a century (chiefly the 1930s). “Yearslong droughts? How thirties!”

Synonyms

Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “thirties”, CC BY-SA 4.0. Details