Entry 4 senses · 3 variants Webster, 1913 Suffocate /sŭf'-ək-ātˌ/ · Suf·fo·cate · IPA /ˈsʌfəkeɪt/ a. v. t. v. i. 01 a. Suffocated; choked. 1. Suffocated; choked. 02 v. t. To choke or kill by stopping respiration; to stifle; to smother. imp. & p. p. Suffocated; p. pr. & vb. n. Suffocating 1. To choke or kill by stopping respiration; to stifle; to smother. “Let not hemp his windpipe suffocate.” — Shak. 2. To destroy; to extinguish; as, to suffocate fire. 03 v. i. To become choked, stifled, or smothered. 1. To become choked, stifled, or smothered.