Insignificant
Unimportant, Trivial, Inconsequential (Adjective).
Frail
Infirm, Weak, Feeble (Adjective).
Irascible
Irritable, Ill-tempered (Adjective).
Inflection
Intonation, Modulation, Emphasis of voice (Noun).
Furious
Enraged, Frenzied, Very Angry (Adjective).
Exasperation
Irritation, Annoyance, Fury (Noun).
Conceal
Hide, Keep something out of sight (Verb).
Spasm
Convulsion, Involuntary contraction of the muscles (Noun).
Contemptuous
Scornful, Disdainful, Disrespectful (Adjective).
Initiate
Begin, Commence, Start off (Verb).
Subsequent
Following, Successive, Upcoming (Adjective).
Flicker
Glimmer, Flare, Glint, Gleam (Verb).
Enclosure
Compound, Stockade, A surrounded area (Noun).
Screech
Shriek, Squeal, Yell (Verb).
Terse
Abrupt, Brief, Concise (Adjective).
Appropriate
Befitting, Suitable, Apt (Adjective).