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.

obsessive

/əbˈsɛs.ɪv/ adjective, noun

Forms obsessives

adjective Prone to cause obsession. “The idea is too tempting, it's obsessive.”
adjective Having one thought or pursuing one activity (an obsession) to the absolute or nearly absolute exclusion of all others. “Hardcore fans' obsessive behavior may take over their lives.”
adjective Excessive, as results from obsession. “A workaholic's obsessive zeal may lead to success or burnout.”
noun A person who is obsessed, who has an obsession.

Synonyms

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